{"id":1427,"date":"2022-03-18T13:37:03","date_gmt":"2022-03-18T16:37:03","guid":{"rendered":"https:\/\/ioe.cos.ufrj.br\/?p=1427"},"modified":"2025-05-11T10:53:59","modified_gmt":"2025-05-11T13:53:59","slug":"optical-sensors-in-industry","status":"publish","type":"post","link":"https:\/\/ioe.cos.ufrj.br\/?p=1427","title":{"rendered":"Optical Sensors in Industry"},"content":{"rendered":"<div class=\"s-desktop-width-max s-desktop-content s-opposite-dir sg-row\">\n<div class=\"s-matching-dir sg-col-16-of-20 sg-col sg-col-8-of-12 sg-col-12-of-16\">\n<div class=\"sg-col-inner\">\n<div id=\"s-skipLinkTargetForMainSearchResults\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-result-list s-search-results sg-row\">\n<div class=\"s-border-top-overlap aok-hidden\"><\/div>\n<\/div>\n<div class=\"s-main-slot s-result-list s-search-results sg-row\">\n<div class=\"a-section a-spacing-none s-result-item s-flex-full-width s-border-bottom-none s-widget s-widget-spacing-large\" data-asin=\"\" data-index=\"0\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=TOP_BANNER_MESSAGE widgetId=messaging-messages-did-you-mean-builder\" data-uuid=\"1c05b35f-74cd-40ce-b4ec-896f142737d5\">\n<div class=\"a-section a-spacing-none\">\n<div class=\"s-no-outline\">\n<h1 class=\"a-size-medium a-color-base a-text-normal\"><span class=\"a-size-medium a-color-base a-text-normal\">Did you mean <\/span><a class=\"a-size-medium a-color-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-bold a-text-italic\" href=\"https:\/\/www.amazon.com\/optical-sensors-Industrial-Scientific\/s?k=optical+sensor&amp;rh=n%3A16310091&amp;dc&amp;ref=a9_sc_1\">optical sensor<\/a><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"a-section a-spacing-none s-result-item s-flex-full-width s-border-bottom-none s-widget s-widget-spacing-large\" data-asin=\"\" data-index=\"1\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=TOP_BANNER_MESSAGE widgetId=messaging-messages-results-header-builder-legal-disclaimer-builder\" data-uuid=\"9ee5cee3-9d9f-4cca-95e1-5ff582a9a77d\">\n<p>&nbsp;<\/p>\n<div class=\"a-section a-spacing-none s-messaging-widget-results-header\">\n<div class=\"s-no-outline\">\n<p><span class=\"a-size-medium-plus a-color-base a-text-normal\">RESULTS<\/span><\/p>\n<div class=\"a-row a-size-base\"><span class=\"a-size-base a-color-secondary a-text-normal\">Price and other details may vary based on product size and color.<\/span><\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07PMW2QMT\" data-index=\"2\" data-uuid=\"ab03db55-e11e-4380-9b1a-6f87edd4a316\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_1\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"a-section a-spacing-none aok-relative s-image-overlay-grey s-grid-status-badge-container s-expand-height\">\n<p>&nbsp;<\/p>\n<div class=\"a-row a-badge-region\"><span id=\"B07PMW2QMT-amazons-choice\" class=\"a-badge\" aria-labelledby=\"B07PMW2QMT-amazons-choice-label B07PMW2QMT-amazons-choice-supplementary\" data-a-badge-supplementary-position=\"right\" data-a-badge-type=\"status\"><span id=\"B07PMW2QMT-amazons-choice-label\" class=\"a-badge-label\" data-a-badge-color=\"sx-gulfstream\" aria-hidden=\"true\"><span class=\"a-badge-label-inner a-text-ellipsis\"><span class=\"a-badge-text\" data-a-badge-color=\"sx-cloud\">Amazon&#8217;s <\/span><span class=\"a-badge-text\" data-a-badge-color=\"ac-orange\">Choice<\/span><\/span><\/span><span id=\"B07PMW2QMT-amazons-choice-supplementary\" class=\"a-badge-supplementary-text a-text-ellipsis\" aria-hidden=\"true\">for optical sensors<\/span><\/span><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/61eof4o9CxL._AC_UL320_.jpg\" alt=\"MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module...\" data-image-index=\"1\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61KlAP3KcdL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61KlAP3KcdL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61KlAP3KcdL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61KlAP3KcdL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61KlAP3KcdL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61KlAP3KcdL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/618oSs3dSxL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/618oSs3dSxL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/618oSs3dSxL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/618oSs3dSxL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/618oSs3dSxL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/618oSs3dSxL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61E5YqBR2xL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61E5YqBR2xL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61E5YqBR2xL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61E5YqBR2xL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61E5YqBR2xL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61E5YqBR2xL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71sDOPts-3S._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71sDOPts-3S._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71sDOPts-3S._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71sDOPts-3S._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71sDOPts-3S._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71sDOPts-3S._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61ghjpBpWnL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61ghjpBpWnL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61ghjpBpWnL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61ghjpBpWnL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61ghjpBpWnL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61ghjpBpWnL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61dxIsFP1KS._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61dxIsFP1KS._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61dxIsFP1KS._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61dxIsFP1KS._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61dxIsFP1KS._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61dxIsFP1KS._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/MakerHawk-Optical-Endstop-Photoelectric-Control\/dp\/B07PMW2QMT\"><span class=\"a-size-base-plus a-color-base a-text-normal\">MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D Printer<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.6 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07PMW2QMT&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.6 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"81\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/MakerHawk-Optical-Endstop-Photoelectric-Control\/dp\/B07PMW2QMT#customerReviews\"><span class=\"a-size-base s-underline-text\">81<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/MakerHawk-Optical-Endstop-Photoelectric-Control\/dp\/B07PMW2QMT\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$11.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">11<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Mon, Mar 21\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Mon, Mar 21<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07PD9LCK1\" data-index=\"3\" data-uuid=\"78b11d02-5723-45a2-982d-e1421e45880e\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_2\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/71kWki5MqoL._AC_UL320_.jpg\" alt=\"Taiss\/ 1 Pair M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor Three Lines NPN NO 6-36VDC Prox...\" data-image-index=\"2\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/711BaNg5vGL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/ 1 Pair M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor Three Lines NPN NO 6-36VDC Prox...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/711BaNg5vGL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/711BaNg5vGL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/711BaNg5vGL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/711BaNg5vGL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/711BaNg5vGL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61vwyy3Jm7L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/ 1 Pair M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor Three Lines NPN NO 6-36VDC Prox...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61vwyy3Jm7L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61vwyy3Jm7L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61vwyy3Jm7L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61vwyy3Jm7L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61vwyy3Jm7L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61aOw3uqx6L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/ 1 Pair M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor Three Lines NPN NO 6-36VDC Prox...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61aOw3uqx6L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61aOw3uqx6L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61aOw3uqx6L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61aOw3uqx6L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61aOw3uqx6L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/413OxDV0sHL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/ 1 Pair M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor Three Lines NPN NO 6-36VDC Prox...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/413OxDV0sHL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/413OxDV0sHL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/413OxDV0sHL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/413OxDV0sHL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/413OxDV0sHL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71sH7c3Io2L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/ 1 Pair M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor Three Lines NPN NO 6-36VDC Prox...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71sH7c3Io2L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71sH7c3Io2L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71sH7c3Io2L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71sH7c3Io2L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71sH7c3Io2L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Taiss-Through-Beam-Reflection-Photoelectric-E3F-5DN1-2Z\/dp\/B07PD9LCK1\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Taiss\/ 1 Pair M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor Three Lines NPN NO 6-36VDC Proximity Switch Inductive Distance 5M with mounting Bracket E3F-5DN1-2Z<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.0 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07PD9LCK1&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4 aok-align-bottom\"><span class=\"a-icon-alt\">4.0 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"37\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Taiss-Through-Beam-Reflection-Photoelectric-E3F-5DN1-2Z\/dp\/B07PD9LCK1#customerReviews\"><span class=\"a-size-base s-underline-text\">37<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Taiss-Through-Beam-Reflection-Photoelectric-E3F-5DN1-2Z\/dp\/B07PD9LCK1\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$19.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">19<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Tue, Mar 22\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Tue, Mar 22<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B073WQV3D9\" data-index=\"4\" data-uuid=\"e0ca7eb4-39dd-4040-a056-e11cdaf5caa8\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_3\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/61nBFxkDEiL._AC_UL320_.jpg\" alt=\"Taiss\/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch...\" data-image-index=\"3\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61ns+ZXQoaL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61ns+ZXQoaL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61ns+ZXQoaL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61ns+ZXQoaL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61ns+ZXQoaL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61ns+ZXQoaL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61oOpApmPYL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61oOpApmPYL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61oOpApmPYL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61oOpApmPYL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61oOpApmPYL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61oOpApmPYL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61nxzlWkXZL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61nxzlWkXZL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61nxzlWkXZL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61nxzlWkXZL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61nxzlWkXZL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61nxzlWkXZL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71qQlgQs97L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71qQlgQs97L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71qQlgQs97L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71qQlgQs97L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71qQlgQs97L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71qQlgQs97L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61SgMDQmIcL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61SgMDQmIcL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61SgMDQmIcL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61SgMDQmIcL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61SgMDQmIcL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61SgMDQmIcL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71vh162jExL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71vh162jExL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71vh162jExL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71vh162jExL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71vh162jExL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71vh162jExL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Taiss-Proximity-photoelectric-Adjustable-E3F-DS30C4\/dp\/B073WQV3D9\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Taiss\/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch 6-36VDC E3F-DS30C4<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.6 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B073WQV3D9&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.6 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"36\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Taiss-Proximity-photoelectric-Adjustable-E3F-DS30C4\/dp\/B073WQV3D9#customerReviews\"><span class=\"a-size-base s-underline-text\">36<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Taiss-Proximity-photoelectric-Adjustable-E3F-DS30C4\/dp\/B073WQV3D9\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$12.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">12<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Wed, Mar 23\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Wed, Mar 23<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"a-section a-spacing-none s-result-item s-flex-full-width s-border-bottom-none s-widget s-widget-spacing-large\" data-asin=\"\" data-index=\"5\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=TOP_BANNER_MESSAGE widgetId=messaging-messages-results-header-builder\" data-uuid=\"521f9645-43e3-4c59-9a14-9a0c774fbaf2\">\n<p>&nbsp;<\/p>\n<div class=\"a-section a-spacing-none s-messaging-widget-results-header\">\n<div class=\"s-no-outline\"><span class=\"a-size-medium-plus a-color-base a-text-normal\">MORE RESULTS<\/span><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B01N2HVRQP\" data-index=\"6\" data-uuid=\"5daa33b5-130f-45bf-a7d8-b26f3a05e299\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_4\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/61z1DLSrxL._AC_UL320_.jpg\" alt=\"XINGYHENG 50Pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor with Transistor Output Infrared 950mm 5...\" data-image-index=\"4\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51mQE2S2gqL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;XINGYHENG 50Pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor with Transistor Output Infrared 950mm 5...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51mQE2S2gqL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51mQE2S2gqL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51mQE2S2gqL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51mQE2S2gqL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51mQE2S2gqL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51IT0mEO-lL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;XINGYHENG 50Pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor with Transistor Output Infrared 950mm 5...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51IT0mEO-lL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51IT0mEO-lL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51IT0mEO-lL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51IT0mEO-lL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51IT0mEO-lL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/416d9kbNsrL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;XINGYHENG 50Pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor with Transistor Output Infrared 950mm 5...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/416d9kbNsrL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/416d9kbNsrL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/416d9kbNsrL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/416d9kbNsrL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/416d9kbNsrL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/XLX-TCRT5000L-Photoelectric-Reflective-Transistor\/dp\/B01N2HVRQP\"><span class=\"a-size-base-plus a-color-base a-text-normal\">XINGYHENG 50Pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor with Transistor Output Infrared 950mm 5V 3A for Tracking and Obstacle Avoidance Car<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.5 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B01N2HVRQP&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.5 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"22\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/XLX-TCRT5000L-Photoelectric-Reflective-Transistor\/dp\/B01N2HVRQP#customerReviews\"><span class=\"a-size-base s-underline-text\">22<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/XLX-TCRT5000L-Photoelectric-Reflective-Transistor\/dp\/B01N2HVRQP\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$10.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">10<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <span class=\"a-size-base a-color-secondary\">($2.20\/10 Items)<\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Wed, Mar 23\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Wed, Mar 23<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Only 20 left in stock - order soon.\"><span class=\"a-size-base a-color-price\">Only 20 left in stock &#8211; order soon.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07JMWCZ9B\" data-index=\"7\" data-uuid=\"40a75a9e-9ff6-4f1c-8a1e-1f45a9269033\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_5\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/61mw2V7WHGL._AC_UL320_.jpg\" alt=\"uxcell 2 Pairs 300mA Infrared Ray Through-Beam Reflection Optical Sensor Switch NO DC 6-36V\" data-image-index=\"5\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71X6kNc-hsL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;uxcell 2 Pairs 300mA Infrared Ray Through-Beam Reflection Optical Sensor Switch NO DC 6-36V&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71X6kNc-hsL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71X6kNc-hsL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71X6kNc-hsL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71X6kNc-hsL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71X6kNc-hsL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61fj2r8GSCL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;uxcell 2 Pairs 300mA Infrared Ray Through-Beam Reflection Optical Sensor Switch NO DC 6-36V&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61fj2r8GSCL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61fj2r8GSCL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61fj2r8GSCL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61fj2r8GSCL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61fj2r8GSCL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61F+aARauBL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;uxcell 2 Pairs 300mA Infrared Ray Through-Beam Reflection Optical Sensor Switch NO DC 6-36V&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61F+aARauBL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61F+aARauBL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61F+aARauBL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61F+aARauBL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61F+aARauBL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61x0+ZxTNfL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;uxcell 2 Pairs 300mA Infrared Ray Through-Beam Reflection Optical Sensor Switch NO DC 6-36V&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61x0+ZxTNfL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61x0+ZxTNfL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61x0+ZxTNfL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61x0+ZxTNfL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61x0+ZxTNfL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/uxcell-Infrared-Through-Beam-Reflection-Optical\/dp\/B07JMWCZ9B\"><span class=\"a-size-base-plus a-color-base a-text-normal\">uxcell 2 Pairs 300mA Infrared Ray Through-Beam Reflection Optical Sensor Switch NO DC 6-36V<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.3 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07JMWCZ9B&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.3 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/uxcell-Infrared-Through-Beam-Reflection-Optical\/dp\/B07JMWCZ9B#customerReviews\"><span class=\"a-size-base s-underline-text\">4<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/uxcell-Infrared-Through-Beam-Reflection-Optical\/dp\/B07JMWCZ9B\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$30.49<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">30<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">49<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Wed, Mar 23\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Wed, Mar 23<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping by Amazon\"><span class=\"a-color-base\">FREE Shipping by Amazon<\/span><\/span><\/div>\n<\/div>\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Only 3 left in stock - order soon.\"><span class=\"a-size-base a-color-price\">Only 3 left in stock &#8211; order soon.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07MFT8NWJ\" data-index=\"8\" data-uuid=\"0ecffc60-c58c-487d-8c83-699f7a9e531b\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_6\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/71bLscBLVmL._AC_UL320_.jpg\" alt=\"5 Pack Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D ...\" data-image-index=\"6\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51oRfw293fL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;5 Pack Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D ...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51oRfw293fL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51oRfw293fL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51oRfw293fL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51oRfw293fL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51oRfw293fL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41Gd9+k-bfL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;5 Pack Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D ...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41Gd9+k-bfL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/41Gd9+k-bfL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/41Gd9+k-bfL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/41Gd9+k-bfL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/41Gd9+k-bfL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61nUW1r-WuL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;5 Pack Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D ...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61nUW1r-WuL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61nUW1r-WuL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61nUW1r-WuL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61nUW1r-WuL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61nUW1r-WuL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61ay+91gT2L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;5 Pack Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D ...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61ay+91gT2L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61ay+91gT2L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61ay+91gT2L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61ay+91gT2L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61ay+91gT2L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51xchEGKw4L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;5 Pack Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D ...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51xchEGKw4L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51xchEGKw4L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51xchEGKw4L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51xchEGKw4L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51xchEGKw4L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Optical-Endstop-Photoelectric-Control-Printer\/dp\/B07MFT8NWJ\"><span class=\"a-size-base-plus a-color-base a-text-normal\">5 Pack Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D Printer<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.8 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07MFT8NWJ&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.8 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"51\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Optical-Endstop-Photoelectric-Control-Printer\/dp\/B07MFT8NWJ#customerReviews\"><span class=\"a-size-base s-underline-text\">51<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Optical-Endstop-Photoelectric-Control-Printer\/dp\/B07MFT8NWJ\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$10.69<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">10<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">69<\/span><\/span><\/span> <span class=\"a-size-base a-color-secondary\">($2.14\/Count)<\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Mon, Mar 21\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Mon, Mar 21<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B00M1PN2XY\" data-index=\"9\" data-uuid=\"675f1546-7610-49bf-9f88-25bb06841eea\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_7\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/61yAyc1cxeL._AC_UL320_.jpg\" alt=\"HiLetgo 20pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor Transistor Output Infrared 950mm 5V 3A fo...\" data-image-index=\"7\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51XE0t6+lBL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 20pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor Transistor Output Infrared 950mm 5V 3A fo...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51XE0t6+lBL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51XE0t6+lBL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51XE0t6+lBL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51XE0t6+lBL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51XE0t6+lBL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" 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aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 20pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor Transistor Output Infrared 950mm 5V 3A fo...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61QmM1MjAqL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61QmM1MjAqL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61QmM1MjAqL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61QmM1MjAqL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61QmM1MjAqL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 20pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor Transistor Output Infrared 950mm 5V 3A fo...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/HiLetgo-TCRT5000L-TCRT5000-Reflective-Infrared\/dp\/B00M1PN2XY\"><span class=\"a-size-base-plus a-color-base a-text-normal\">HiLetgo 20pcs TCRT5000L TCRT5000 Photoelectric Sensors Reflective Optical Sensor Transistor Output Infrared 950mm 5V 3A for Smart Car Robot<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.6 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B00M1PN2XY&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.6 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"19\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/HiLetgo-TCRT5000L-TCRT5000-Reflective-Infrared\/dp\/B00M1PN2XY#customerReviews\"><span class=\"a-size-base s-underline-text\">19<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/HiLetgo-TCRT5000L-TCRT5000-Reflective-Infrared\/dp\/B00M1PN2XY\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$6.59<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">6<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">59<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Mon, Mar 21\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Mon, Mar 21<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B08977QFK5\" data-index=\"10\" data-uuid=\"c894cef1-a2ee-49f5-bfbe-c391d2b3eef2\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_8\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/71SewWYNI4L._AC_UL320_.jpg\" alt=\"Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor f...\" data-image-index=\"8\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71M7-mNN4fL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor f...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71M7-mNN4fL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71M7-mNN4fL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71M7-mNN4fL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71M7-mNN4fL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71M7-mNN4fL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71C2Cq8HeaL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor f...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71C2Cq8HeaL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71C2Cq8HeaL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71C2Cq8HeaL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71C2Cq8HeaL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71C2Cq8HeaL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41WgBYKHiXL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor f...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41WgBYKHiXL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/41WgBYKHiXL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/41WgBYKHiXL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/41WgBYKHiXL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/41WgBYKHiXL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41RrWsZv7PL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor f...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41RrWsZv7PL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/41RrWsZv7PL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/41RrWsZv7PL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/41RrWsZv7PL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/41RrWsZv7PL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71CTQTdlP5L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor f...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71CTQTdlP5L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71CTQTdlP5L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71CTQTdlP5L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71CTQTdlP5L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71CTQTdlP5L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Measuring-Optocoupler-Interrupter-Detection-Arduino%EF%BC%885pcs%EF%BC%89\/dp\/B08977QFK5\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor for Arduino\uff085pcs\uff09<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.4 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B08977QFK5&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.4 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"11\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Measuring-Optocoupler-Interrupter-Detection-Arduino%EF%BC%885pcs%EF%BC%89\/dp\/B08977QFK5#customerReviews\"><span class=\"a-size-base s-underline-text\">11<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Measuring-Optocoupler-Interrupter-Detection-Arduino%EF%BC%885pcs%EF%BC%89\/dp\/B08977QFK5\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$8.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">8<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Wed, Mar 23\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Wed, Mar 23<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07VPSSLBR\" data-index=\"11\" data-uuid=\"d38bbe50-051d-4797-a620-a7e27fa4a4d7\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_9\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/51pl-1i1zKL._AC_UL320_.jpg\" alt=\"Taiss\/1 Pair 0-20M Through-Beam Reflection Optical Photoelectric Beam Sensor NPN NO photoelectric Sensor Switch 6-36V Prox...\" data-image-index=\"9\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51ct35h7WcL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/1 Pair 0-20M Through-Beam Reflection Optical Photoelectric Beam Sensor NPN NO photoelectric Sensor Switch 6-36V Prox...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51ct35h7WcL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51ct35h7WcL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51ct35h7WcL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51ct35h7WcL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51ct35h7WcL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61xvyg70GYL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/1 Pair 0-20M Through-Beam Reflection Optical Photoelectric Beam Sensor NPN NO photoelectric Sensor Switch 6-36V Prox...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61xvyg70GYL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61xvyg70GYL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61xvyg70GYL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61xvyg70GYL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61xvyg70GYL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41xQk07AIWL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taiss\/1 Pair 0-20M Through-Beam Reflection Optical Photoelectric Beam Sensor NPN NO photoelectric Sensor Switch 6-36V Prox...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41xQk07AIWL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/41xQk07AIWL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/41xQk07AIWL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/41xQk07AIWL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/41xQk07AIWL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Taiss-Through-Beam-Photoelectric-photoelectric-E3F-20DNL-Z\/dp\/B07VPSSLBR\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Taiss\/1 Pair 0-20M Through-Beam Reflection Optical Photoelectric Beam Sensor NPN NO photoelectric Sensor Switch 6-36V Proximity Switch Three Lines Length with Infrared Ray Beam E3F-20DNL-Z-12MM<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"3.9 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07VPSSLBR&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4 aok-align-bottom\"><span class=\"a-icon-alt\">3.9 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"25\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Taiss-Through-Beam-Photoelectric-photoelectric-E3F-20DNL-Z\/dp\/B07VPSSLBR#customerReviews\"><span class=\"a-size-base s-underline-text\">25<\/span> <\/a> 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it as soon as Mon, Mar 21\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Mon, Mar 21<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping by Amazon\"><span class=\"a-color-base\">FREE Shipping by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B01HXU1WME\" data-index=\"12\" data-uuid=\"26bbfde8-1c7c-43a8-b184-f7661b25e6e0\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_10\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/61cvSNjJKDL._AC_UL320_.jpg\" alt=\"HiLetgo 5pcs LM393 Correlation Photoelectric Sensor Opposite-type Infrared Count Sensor\" data-image-index=\"10\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61Y7TkLbyeL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 5pcs LM393 Correlation Photoelectric Sensor Opposite-type Infrared Count 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https:\/\/m.media-amazon.com\/images\/I\/61pMYgdrk3L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61pMYgdrk3L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61pMYgdrk3L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61y0SIE8zXL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 5pcs LM393 Correlation Photoelectric Sensor Opposite-type Infrared Count Sensor&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61y0SIE8zXL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61y0SIE8zXL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61y0SIE8zXL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61y0SIE8zXL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61y0SIE8zXL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 5pcs LM393 Correlation Photoelectric Sensor Opposite-type Infrared Count Sensor&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51+Du5sRIiL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/HiLetgo-Correlation-Photoelectric-Opposite-type-Infrared\/dp\/B01HXU1WME\"><span class=\"a-size-base-plus a-color-base a-text-normal\">HiLetgo 5pcs LM393 Correlation Photoelectric Sensor Opposite-type Infrared Count Sensor<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.2 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B01HXU1WME&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4 aok-align-bottom\"><span class=\"a-icon-alt\">4.2 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"7\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/HiLetgo-Correlation-Photoelectric-Opposite-type-Infrared\/dp\/B01HXU1WME#customerReviews\"><span class=\"a-size-base s-underline-text\">7<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/HiLetgo-Correlation-Photoelectric-Opposite-type-Infrared\/dp\/B01HXU1WME\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$7.79<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">7<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">79<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Mon, Mar 21\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Mon, Mar 21<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B00M1PMFGE\" data-index=\"13\" data-uuid=\"3503e33d-ca9a-49e0-bdba-f6e3034d5a46\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_11\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/51Cp3occLHL._AC_UL320_.jpg\" alt=\"HiLetgo 20pcs ITR9608 ITR9608F ITR-9608 DIP-4 Opto Photo Interrupter Optical Sensor Photoelectric Switch Optical Interrupt...\" data-image-index=\"11\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51hAl5myabL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 20pcs ITR9608 ITR9608F ITR-9608 DIP-4 Opto 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https:\/\/m.media-amazon.com\/images\/I\/611EZDW+mKL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/611EZDW+mKL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/611EZDW+mKL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/611EZDW+mKL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51sW-+tpvPL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 20pcs ITR9608 ITR9608F ITR-9608 DIP-4 Opto Photo Interrupter Optical Sensor Photoelectric Switch Optical Interrupt...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51sW-+tpvPL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51sW-+tpvPL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51sW-+tpvPL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51sW-+tpvPL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51sW-+tpvPL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51T+WexzlTL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 20pcs ITR9608 ITR9608F ITR-9608 DIP-4 Opto Photo Interrupter Optical Sensor Photoelectric Switch Optical Interrupt...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51T+WexzlTL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51T+WexzlTL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51T+WexzlTL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51T+WexzlTL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51T+WexzlTL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/512GaJEbBAL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HiLetgo 20pcs ITR9608 ITR9608F ITR-9608 DIP-4 Opto Photo Interrupter Optical Sensor Photoelectric Switch Optical Interrupt...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/512GaJEbBAL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/512GaJEbBAL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/512GaJEbBAL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/512GaJEbBAL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/512GaJEbBAL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/HiLetgo-ITR9608-F-Photoelectric-Optical-Interrupter\/dp\/B00M1PMFGE\"><span class=\"a-size-base-plus a-color-base a-text-normal\">HiLetgo 20pcs ITR9608 ITR9608F ITR-9608 DIP-4 Opto Photo Interrupter Optical Sensor Photoelectric Switch Optical Interrupter Photoelectric Sensor DIP4<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.1 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" 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src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/61Hpyg8FpEL._AC_UL320_.jpg\" alt=\"DAOKI 5Pcs Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Speed ...\" data-image-index=\"12\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51jwfhbPPiL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;DAOKI 5Pcs Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Speed ...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51jwfhbPPiL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51jwfhbPPiL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51jwfhbPPiL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51jwfhbPPiL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51jwfhbPPiL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51o3XWvlOQL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;DAOKI 5Pcs Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Speed ...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51o3XWvlOQL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51o3XWvlOQL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51o3XWvlOQL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51o3XWvlOQL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51o3XWvlOQL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div 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data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61qVZseMfiL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;DAOKI 5Pcs Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Speed ...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61qVZseMfiL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61qVZseMfiL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61qVZseMfiL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61qVZseMfiL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61qVZseMfiL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/DAOKI-Measuring-Optocoupler-Interrupter-Detection\/dp\/B081W4KMHC\"><span class=\"a-size-base-plus a-color-base a-text-normal\">DAOKI 5Pcs Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Speed Detection or Arduino with Encoders<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.2 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" 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aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/51LAPwbjr5L._AC_UL320_.jpg\" alt=\"ZRM&amp;E 20pcs TCRT5000 Photoelectric Sensors Infrared Reflective Optical Sensor for Smart Car IR Photoelectric Switch\" data-image-index=\"13\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/612Q85RptOL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;ZRM&amp;E 20pcs TCRT5000 Photoelectric Sensors Infrared Reflective Optical Sensor for Smart Car IR Photoelectric Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/612Q85RptOL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/612Q85RptOL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/612Q85RptOL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/612Q85RptOL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/612Q85RptOL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51MSB+fpoqL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;ZRM&amp;E 20pcs TCRT5000 Photoelectric Sensors Infrared Reflective Optical Sensor for Smart Car IR Photoelectric Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51MSB+fpoqL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51MSB+fpoqL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51MSB+fpoqL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51MSB+fpoqL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51MSB+fpoqL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51HjnMxzLbL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;ZRM&amp;E 20pcs TCRT5000 Photoelectric Sensors Infrared Reflective Optical Sensor for Smart Car IR Photoelectric Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51HjnMxzLbL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51HjnMxzLbL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51HjnMxzLbL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51HjnMxzLbL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51HjnMxzLbL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61EARU9z8gL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;ZRM&amp;E 20pcs TCRT5000 Photoelectric Sensors Infrared Reflective Optical Sensor for Smart Car IR Photoelectric Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61EARU9z8gL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61EARU9z8gL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61EARU9z8gL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61EARU9z8gL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61EARU9z8gL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51kwxhZ8ewL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;ZRM&amp;E 20pcs TCRT5000 Photoelectric Sensors Infrared Reflective Optical Sensor for Smart Car IR Photoelectric Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51kwxhZ8ewL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51kwxhZ8ewL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51kwxhZ8ewL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51kwxhZ8ewL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51kwxhZ8ewL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/ZRM-TCRT5000-Photoelectric-Infrared-Reflective\/dp\/B07P8LMS6R\"><span class=\"a-size-base-plus a-color-base a-text-normal\">ZRM&amp;E 20pcs TCRT5000 Photoelectric Sensors Infrared Reflective Optical Sensor for Smart Car IR Photoelectric Switch<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.4 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07P8LMS6R&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.4 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/ZRM-TCRT5000-Photoelectric-Infrared-Reflective\/dp\/B07P8LMS6R#customerReviews\"><span class=\"a-size-base s-underline-text\">4<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/ZRM-TCRT5000-Photoelectric-Infrared-Reflective\/dp\/B07P8LMS6R\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$7.97<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">7<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">97<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Wed, Mar 23\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Wed, Mar 23<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Only 3 left in stock - order soon.\"><span class=\"a-size-base a-color-price\">Only 3 left in stock &#8211; order soon.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07K1HVNH7\" data-index=\"17\" data-uuid=\"c085f322-0136-4146-a85c-ee607371dc23\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_14\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/6174FLqxFGL._AC_UL320_.jpg\" alt=\"uxcell 5pcs RPR220 Photoelectric Switch Reflective Optical Coupling Sensor 4 Pin\" data-image-index=\"14\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51fq6roL0XL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;uxcell 5pcs RPR220 Photoelectric Switch Reflective Optical Coupling Sensor 4 Pin&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51fq6roL0XL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51fq6roL0XL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51fq6roL0XL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51fq6roL0XL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51fq6roL0XL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51dkMjNR+fL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;uxcell 5pcs RPR220 Photoelectric Switch Reflective Optical Coupling Sensor 4 Pin&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51dkMjNR+fL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51dkMjNR+fL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51dkMjNR+fL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51dkMjNR+fL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51dkMjNR+fL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/uxcell-Photoelectric-Reflective-Optical-Coupling\/dp\/B07K1HVNH7\"><span class=\"a-size-base-plus a-color-base a-text-normal\">uxcell 5pcs RPR220 Photoelectric Switch Reflective Optical Coupling Sensor 4 Pin<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"5.0 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07K1HVNH7&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-5 aok-align-bottom\"><span class=\"a-icon-alt\">5.0 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"6\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/uxcell-Photoelectric-Reflective-Optical-Coupling\/dp\/B07K1HVNH7#customerReviews\"><span class=\"a-size-base s-underline-text\">6<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/uxcell-Photoelectric-Reflective-Optical-Coupling\/dp\/B07K1HVNH7\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$11.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">11<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Tue, Mar 22\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Tue, Mar 22<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B08ZYH25B6\" data-index=\"18\" data-uuid=\"344e04cc-a7c0-4de9-ac9d-2d00330a0389\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_15\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/71NGO9KQuL._AC_UL320_.jpg\" alt=\"AITRIP 10 PCS Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Spe...\" data-image-index=\"15\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61HlUOU53-L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;AITRIP 10 PCS Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Spe...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61HlUOU53-L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61HlUOU53-L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61HlUOU53-L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61HlUOU53-L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61HlUOU53-L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51ztZ1cMfXL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;AITRIP 10 PCS Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Spe...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51ztZ1cMfXL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51ztZ1cMfXL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51ztZ1cMfXL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51ztZ1cMfXL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51ztZ1cMfXL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51ek7HYhvZL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;AITRIP 10 PCS Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Spe...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51ek7HYhvZL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51ek7HYhvZL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51ek7HYhvZL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51ek7HYhvZL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51ek7HYhvZL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51SeUd-B1IL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;AITRIP 10 PCS Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Spe...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51SeUd-B1IL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51SeUd-B1IL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51SeUd-B1IL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51SeUd-B1IL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51SeUd-B1IL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/AITRIP-Measuring-Optocoupler-Interrupter-Detection\/dp\/B08ZYH25B6\"><span class=\"a-size-base-plus a-color-base a-text-normal\">AITRIP 10 PCS Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Speed Detection Also for Arduino<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"3.0 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B08ZYH25B6&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-3 aok-align-bottom\"><span class=\"a-icon-alt\">3.0 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"2\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/AITRIP-Measuring-Optocoupler-Interrupter-Detection\/dp\/B08ZYH25B6#customerReviews\"><span class=\"a-size-base s-underline-text\">2<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/AITRIP-Measuring-Optocoupler-Interrupter-Detection\/dp\/B08ZYH25B6\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$9.39<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">9<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">39<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Wed, Mar 23\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Wed, Mar 23<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Only 15 left in stock - order soon.\"><span class=\"a-size-base a-color-price\">Only 15 left in stock &#8211; order soon.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07C86G713\" data-index=\"19\" data-uuid=\"938a0407-4c4b-46c1-bd07-5f9657db32dd\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_16\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/71twd8rHhcL._AC_UL320_.jpg\" alt=\"Ci Kyan 100pcs 6.45&quot; Cleanroom Polyester Tip Cleaning Swabs with Flexible Paddle Head Cleaning for Gun, Firearm, Optical L...\" data-image-index=\"16\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51UVvNz2hkL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Ci Kyan 100pcs 6.45&quot; Cleanroom Polyester Tip Cleaning Swabs with Flexible Paddle Head Cleaning for Gun, Firearm, Optical L...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51UVvNz2hkL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51UVvNz2hkL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51UVvNz2hkL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51UVvNz2hkL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51UVvNz2hkL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/519p4cvpDtL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Ci Kyan 100pcs 6.45&quot; Cleanroom Polyester Tip Cleaning Swabs with Flexible Paddle Head Cleaning for Gun, Firearm, Optical L...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/519p4cvpDtL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/519p4cvpDtL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/519p4cvpDtL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/519p4cvpDtL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/519p4cvpDtL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71XN3RSYnxL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Ci Kyan 100pcs 6.45&quot; Cleanroom Polyester Tip Cleaning Swabs with Flexible Paddle Head Cleaning for Gun, Firearm, Optical L...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71XN3RSYnxL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71XN3RSYnxL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71XN3RSYnxL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71XN3RSYnxL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71XN3RSYnxL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71HGIzFaDGL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Ci Kyan 100pcs 6.45&quot; Cleanroom Polyester Tip Cleaning Swabs with Flexible Paddle Head Cleaning for Gun, Firearm, Optical L...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/71HGIzFaDGL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/71HGIzFaDGL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/71HGIzFaDGL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/71HGIzFaDGL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/71HGIzFaDGL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51zsCXfn2LL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Ci Kyan 100pcs 6.45&quot; Cleanroom Polyester Tip Cleaning Swabs with Flexible Paddle Head Cleaning for Gun, Firearm, Optical L...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51zsCXfn2LL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51zsCXfn2LL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51zsCXfn2LL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51zsCXfn2LL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51zsCXfn2LL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41enr5vqhQL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Ci Kyan 100pcs 6.45&quot; Cleanroom Polyester Tip Cleaning Swabs with Flexible Paddle Head Cleaning for Gun, Firearm, Optical L...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41enr5vqhQL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/41enr5vqhQL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/41enr5vqhQL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/41enr5vqhQL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/41enr5vqhQL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Cleanroom-Polyester-Electronics-Semiconductor-Instrument\/dp\/B07C86G713\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Ci Kyan 100pcs 6.45&#8243; Cleanroom Polyester Tip Cleaning Swabs with Flexible Paddle Head Cleaning for Gun, Firearm, Optical Lens, Camera Sensors, Electronics, Groove Space and Hard-to-Reach Area CK-PS761<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.6 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07C86G713&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.6 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"101\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Cleanroom-Polyester-Electronics-Semiconductor-Instrument\/dp\/B07C86G713#customerReviews\"><span class=\"a-size-base s-underline-text\">101<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Cleanroom-Polyester-Electronics-Semiconductor-Instrument\/dp\/B07C86G713\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$12.88<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">12<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">88<\/span><\/span><\/span> <span class=\"a-size-base a-color-secondary\">($1.29\/10 Items)<\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Mon, Mar 21\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Mon, Mar 21<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B0811GRVJH\" data-index=\"20\" data-uuid=\"7e78c2e0-8945-443f-aa7d-70ee1711d806\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_17\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/41WAQjvGnFL._AC_UL320_.jpg\" alt=\"EPTTECH FS-IR1901D Optical Infrared Water Oil Liquid Tank Agriculture Irrigation Level Sensor Switch Food Safety, Come wit...\" data-image-index=\"17\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51kkkmPUxDL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;EPTTECH FS-IR1901D Optical Infrared Water Oil Liquid Tank Agriculture Irrigation Level Sensor Switch Food Safety, Come wit...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51kkkmPUxDL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51kkkmPUxDL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51kkkmPUxDL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51kkkmPUxDL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51kkkmPUxDL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/514MLrOPnVL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;EPTTECH FS-IR1901D Optical Infrared Water Oil Liquid Tank Agriculture Irrigation Level Sensor Switch Food Safety, Come wit...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/514MLrOPnVL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/514MLrOPnVL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/514MLrOPnVL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/514MLrOPnVL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/514MLrOPnVL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/518ThvUE2vL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;EPTTECH FS-IR1901D Optical Infrared Water Oil Liquid Tank Agriculture Irrigation Level Sensor Switch Food Safety, Come wit...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/518ThvUE2vL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/518ThvUE2vL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/518ThvUE2vL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/518ThvUE2vL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/518ThvUE2vL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51k1FpZaO2L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;EPTTECH FS-IR1901D Optical Infrared Water Oil Liquid Tank Agriculture Irrigation Level Sensor Switch Food Safety, Come wit...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51k1FpZaO2L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51k1FpZaO2L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51k1FpZaO2L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51k1FpZaO2L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51k1FpZaO2L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/EPTTECH-FS-IR1901D-Infrared-Agriculture-Irrigation\/dp\/B0811GRVJH\"><span class=\"a-size-base-plus a-color-base a-text-normal\">EPTTECH FS-IR1901D Optical Infrared Water Oil Liquid Tank Agriculture Irrigation Level Sensor Switch Food Safety, Come with 500mm Cable(Pack of 3)<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.9 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B0811GRVJH&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.9 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"13\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/EPTTECH-FS-IR1901D-Infrared-Agriculture-Irrigation\/dp\/B0811GRVJH#customerReviews\"><span class=\"a-size-base s-underline-text\">13<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Currently unavailable.\"><span class=\"a-size-small\">Currently unavailable.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B0817Q63BR\" data-index=\"21\" data-uuid=\"b5709788-83f9-4796-b930-6b12921945f0\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_18\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/51Vo7W7kcHS._AC_UL320_.jpg\" alt=\"Taidacent PMW3901 Optical Flow Sensor+ VL53l0X Distance Sensor Fixed Point Laser Ranging Optical Tracking Sensor Minifly F...\" data-image-index=\"18\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/6184tXHw4oL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taidacent PMW3901 Optical Flow Sensor+ VL53l0X Distance Sensor Fixed Point Laser Ranging Optical Tracking Sensor Minifly F...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/6184tXHw4oL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/6184tXHw4oL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/6184tXHw4oL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/6184tXHw4oL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/6184tXHw4oL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41sWKxaHCvL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taidacent PMW3901 Optical Flow Sensor+ VL53l0X Distance Sensor Fixed Point Laser Ranging Optical Tracking Sensor Minifly F...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/41sWKxaHCvL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/41sWKxaHCvL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/41sWKxaHCvL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/41sWKxaHCvL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/41sWKxaHCvL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51BdtI87UeL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taidacent PMW3901 Optical Flow Sensor+ VL53l0X Distance Sensor Fixed Point Laser Ranging Optical Tracking Sensor Minifly F...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51BdtI87UeL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51BdtI87UeL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51BdtI87UeL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51BdtI87UeL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51BdtI87UeL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51V0Uk4TneL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Taidacent PMW3901 Optical Flow Sensor+ VL53l0X Distance Sensor Fixed Point Laser Ranging Optical Tracking Sensor Minifly F...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51V0Uk4TneL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51V0Uk4TneL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51V0Uk4TneL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51V0Uk4TneL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51V0Uk4TneL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Taidacent-PMW3901-Optical-Distance-Tracking\/dp\/B0817Q63BR\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Taidacent PMW3901 Optical Flow Sensor+ VL53l0X Distance Sensor Fixed Point Laser Ranging Optical Tracking Sensor Minifly Four Axis 2M\/4M (4M)<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Taidacent-PMW3901-Optical-Distance-Tracking\/dp\/B0817Q63BR\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$56.27<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">56<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">27<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Tue, Mar 22\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Tue, Mar 22<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping by Amazon\"><span class=\"a-color-base\">FREE Shipping by Amazon<\/span><\/span><\/div>\n<\/div>\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Only 11 left in stock - order soon.\"><span class=\"a-size-base a-color-price\">Only 11 left in stock &#8211; order soon.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B082FFNH5P\" data-index=\"22\" data-uuid=\"1a5075af-b7f5-4a71-b982-fda119429b1f\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_19\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/512hJWB43fL._AC_UL320_.jpg\" alt=\"2Pcs Optical Sensor TRANSMISSIVE\/Slotted Interrupter Limit Switch EE-SX674 for Linear Rail Guide Actuator\" data-image-index=\"19\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61RmAqNl9aL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;2Pcs Optical Sensor TRANSMISSIVE\/Slotted Interrupter Limit Switch EE-SX674 for Linear Rail Guide Actuator&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61RmAqNl9aL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61RmAqNl9aL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61RmAqNl9aL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61RmAqNl9aL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61RmAqNl9aL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61DjUCTcg-L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;2Pcs Optical Sensor TRANSMISSIVE\/Slotted Interrupter Limit Switch EE-SX674 for Linear Rail Guide Actuator&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61DjUCTcg-L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61DjUCTcg-L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61DjUCTcg-L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61DjUCTcg-L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61DjUCTcg-L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51j5OarvrxL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;2Pcs Optical Sensor TRANSMISSIVE\/Slotted Interrupter Limit Switch EE-SX674 for Linear Rail Guide Actuator&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51j5OarvrxL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51j5OarvrxL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51j5OarvrxL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51j5OarvrxL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51j5OarvrxL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51xSwaH8hSL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;2Pcs Optical Sensor TRANSMISSIVE\/Slotted Interrupter Limit Switch EE-SX674 for Linear Rail Guide Actuator&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51xSwaH8hSL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51xSwaH8hSL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51xSwaH8hSL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51xSwaH8hSL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51xSwaH8hSL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Optical-TRANSMISSIVE-Interrupter-EE-SX674-Actuator\/dp\/B082FFNH5P\"><span class=\"a-size-base-plus a-color-base a-text-normal\">2Pcs Optical Sensor TRANSMISSIVE\/Slotted Interrupter Limit Switch EE-SX674 for Linear Rail Guide Actuator<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"3.9 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B082FFNH5P&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4 aok-align-bottom\"><span class=\"a-icon-alt\">3.9 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"6\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Optical-TRANSMISSIVE-Interrupter-EE-SX674-Actuator\/dp\/B082FFNH5P#customerReviews\"><span class=\"a-size-base s-underline-text\">6<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Optical-TRANSMISSIVE-Interrupter-EE-SX674-Actuator\/dp\/B082FFNH5P\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$36.00<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">36<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">00<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping by Amazon\"><span class=\"a-color-base\">FREE Shipping by Amazon<\/span><\/span><\/div>\n<\/div>\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Usually ships within 1 to 2 months.\"><span class=\"a-size-small\">Usually ships within 1 to 2 months.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B083Q97XBY\" data-index=\"23\" data-uuid=\"1e307961-6867-4a13-bb68-98767c5dd88c\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_20\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/51RjuQpLhLL._AC_UL320_.jpg\" alt=\"Water Liquid Level Sensor Optical Infrared Liquid Water Level Control Switch\" data-image-index=\"20\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/519LMPLUbFL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Water Liquid Level Sensor Optical Infrared Liquid Water Level Control Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/519LMPLUbFL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/519LMPLUbFL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/519LMPLUbFL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/519LMPLUbFL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/519LMPLUbFL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51B8SayXK4L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Water Liquid Level Sensor Optical Infrared Liquid Water Level Control Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51B8SayXK4L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51B8SayXK4L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51B8SayXK4L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51B8SayXK4L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51B8SayXK4L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51mc+jF3MoL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Water Liquid Level Sensor Optical Infrared Liquid Water Level Control Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51mc+jF3MoL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51mc+jF3MoL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51mc+jF3MoL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51mc+jF3MoL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51mc+jF3MoL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/614c4pRLU8L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Water Liquid Level Sensor Optical Infrared Liquid Water Level Control Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/614c4pRLU8L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/614c4pRLU8L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/614c4pRLU8L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/614c4pRLU8L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/614c4pRLU8L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61ygHZp756L._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Water Liquid Level Sensor Optical Infrared Liquid Water Level Control Switch&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61ygHZp756L._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61ygHZp756L._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61ygHZp756L._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61ygHZp756L._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61ygHZp756L._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Liquid-Sensor-Optical-Infrared-Control\/dp\/B083Q97XBY\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Water Liquid Level Sensor Optical Infrared Liquid Water Level Control Switch<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.0 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B083Q97XBY&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4 aok-align-bottom\"><span class=\"a-icon-alt\">4.0 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"1\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Liquid-Sensor-Optical-Infrared-Control\/dp\/B083Q97XBY#customerReviews\"><span class=\"a-size-base s-underline-text\">1<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Currently unavailable.\"><span class=\"a-size-small\">Currently unavailable.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07RSZ1QN8\" data-index=\"24\" data-uuid=\"de4c4c9c-237d-4e7b-ab80-7b1e33459403\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_21\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/518DkipnisL._AC_UL320_.jpg\" alt=\"5 Pieces\/Pack 3\u03bcm Interdigitated Electrodes Silicon Substrate Interdigitated Capacitor Arrays High-Accuracy Sputter Gold M...\" data-image-index=\"21\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/81ZbcKRWTKL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;5 Pieces\/Pack 3\u03bcm Interdigitated Electrodes Silicon Substrate Interdigitated Capacitor Arrays High-Accuracy Sputter Gold M...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/81ZbcKRWTKL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/81ZbcKRWTKL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/81ZbcKRWTKL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/81ZbcKRWTKL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/81ZbcKRWTKL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51R609KO1YL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;5 Pieces\/Pack 3\u03bcm Interdigitated Electrodes Silicon Substrate Interdigitated Capacitor Arrays High-Accuracy Sputter Gold M...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51R609KO1YL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51R609KO1YL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51R609KO1YL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51R609KO1YL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51R609KO1YL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51B9+bzHPdL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;5 Pieces\/Pack 3\u03bcm Interdigitated Electrodes Silicon Substrate Interdigitated Capacitor Arrays High-Accuracy Sputter Gold M...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51B9+bzHPdL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51B9+bzHPdL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51B9+bzHPdL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51B9+bzHPdL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51B9+bzHPdL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Monocrystalline-Interdigitated-Electrodes-Capacitor-Precision\/dp\/B07RSZ1QN8\"><span class=\"a-size-base-plus a-color-base a-text-normal\">5 Pieces\/Pack 3\u03bcm Interdigitated Electrodes Silicon Substrate Interdigitated Capacitor Arrays High-Accuracy Sputter Gold MEMS Medical Biological Optical Sensor Chip (4mm X 6.5mm)<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"5.0 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07RSZ1QN8&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-5 aok-align-bottom\"><span class=\"a-icon-alt\">5.0 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"2\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Monocrystalline-Interdigitated-Electrodes-Capacitor-Precision\/dp\/B07RSZ1QN8#customerReviews\"><span class=\"a-size-base s-underline-text\">2<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Monocrystalline-Interdigitated-Electrodes-Capacitor-Precision\/dp\/B07RSZ1QN8\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$79.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">79<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <span class=\"a-size-base a-color-secondary\">($16.00\/Item)<\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><span aria-label=\"Get it Fri, Apr 8 - Fri, Apr 29\"><span class=\"a-color-base\">Get it <\/span><span class=\"a-color-base a-text-bold\">Fri, Apr 8<\/span><span class=\"a-color-base\"> &#8211; <\/span><span class=\"a-color-base a-text-bold\">Fri, Apr 29<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping\"><span class=\"a-color-base\">FREE Shipping<\/span><\/span><\/div>\n<\/div>\n<div class=\"a-row a-size-base a-color-secondary\"><span aria-label=\"Only 10 left in stock - order soon.\"><span class=\"a-size-base a-color-price\">Only 10 left in stock &#8211; order soon.<\/span><\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-mini\">\n<div class=\"a-row a-size-base a-color-secondary\">\n<p><span class=\"a-size-base a-color-secondary\">More Buying Choices<\/span><br \/>\n<span class=\"a-color-base\">$44.99<\/span><span class=\"a-declarative\" data-action=\"s-show-all-offers-display\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-s-show-all-offers-display\" data-s-show-all-offers-display=\"{&quot;assetMismatch&quot;:&quot;Abandon&quot;,&quot;fallbackUrl&quot;:&quot;\/gp\/offer-listing\/B07RV4H7QQ\/ref=sr_1_21_olp?s=industrial&amp;keywords=optical+sensors&amp;sr=1-21&quot;,&quot;url&quot;:&quot;\/gp\/aod\/ajax\/ref=sr_1_21_aod?asin=B07RSZ1QN8&amp;pc=sp&amp;s=industrial&amp;keywords=optical+sensors&amp;sr=1-21&amp;rrid=7EZ97TWZ8YQY9G37NQS3&quot;}\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/gp\/offer-listing\/B07RV4H7QQ\/ref=sr_1_21_olp?s=industrial&amp;keywords=optical+sensors&amp;sr=1-21\">(3 new offers)<\/a><\/span><\/p>\n<div id=\"all-offers-display\" class=\"a-section aok-hidden\">\n<div id=\"all-offers-display-spinner\" class=\"a-spinner-wrapper aok-hidden\"><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div id=\"aod-background\" class=\"a-section aok-hidden aod-darken-background\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B0776RHKB1\" data-index=\"25\" data-uuid=\"e1337f10-66a2-4d92-8022-c8107135b995\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_22\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/71ZJLl497bL._AC_UL320_.jpg\" alt=\"Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino\" data-image-index=\"22\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61s4qA+RtDL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61s4qA+RtDL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61s4qA+RtDL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61s4qA+RtDL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61s4qA+RtDL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61s4qA+RtDL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61jg1E8MOGL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61jg1E8MOGL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61jg1E8MOGL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61jg1E8MOGL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61jg1E8MOGL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61jg1E8MOGL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61VOaVWoOmL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61VOaVWoOmL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61VOaVWoOmL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61VOaVWoOmL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61VOaVWoOmL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61VOaVWoOmL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61swkZ9wjvL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/61swkZ9wjvL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/61swkZ9wjvL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/61swkZ9wjvL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/61swkZ9wjvL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/61swkZ9wjvL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Willwin-Measuring-Comparator-Optocoupler-Arduino\/dp\/B0776RHKB1\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Oiyagai 5pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler for MCU Arduino<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.3 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B0776RHKB1&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.3 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"49\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Willwin-Measuring-Comparator-Optocoupler-Arduino\/dp\/B0776RHKB1#customerReviews\"><span class=\"a-size-base s-underline-text\">49<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Willwin-Measuring-Comparator-Optocoupler-Arduino\/dp\/B0776RHKB1\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$8.20<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">8<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">20<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Mon, Mar 21\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Mon, Mar 21<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B0719K9Z9R\" data-index=\"26\" data-uuid=\"178fb57d-1023-4d36-9b1d-751149750aca\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_23\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/61SZhCuvkdL._AC_UL320_.jpg\" alt=\"HESAI CNC 3D Printer Mechanical Optical Limit Switch Endstop with Cable for Ramps 1.4 Makerbot Prusa Mendel RepRap (Pack o...\" data-image-index=\"23\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/519sjnSw6oL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HESAI CNC 3D Printer Mechanical Optical Limit Switch Endstop with Cable for Ramps 1.4 Makerbot Prusa Mendel RepRap (Pack o...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/519sjnSw6oL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/519sjnSw6oL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/519sjnSw6oL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/519sjnSw6oL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/519sjnSw6oL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51LRExXHXrL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HESAI CNC 3D Printer Mechanical Optical Limit Switch Endstop with Cable for Ramps 1.4 Makerbot Prusa Mendel RepRap (Pack o...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51LRExXHXrL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51LRExXHXrL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51LRExXHXrL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51LRExXHXrL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51LRExXHXrL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/512go5O-0kL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HESAI CNC 3D Printer Mechanical Optical Limit Switch Endstop with Cable for Ramps 1.4 Makerbot Prusa Mendel RepRap (Pack o...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/512go5O-0kL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/512go5O-0kL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/512go5O-0kL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/512go5O-0kL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/512go5O-0kL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51UCmYErrvL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;HESAI CNC 3D Printer Mechanical Optical Limit Switch Endstop with Cable for Ramps 1.4 Makerbot Prusa Mendel RepRap (Pack o...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51UCmYErrvL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51UCmYErrvL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51UCmYErrvL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51UCmYErrvL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51UCmYErrvL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/HESAI-Printer-Mechanical-Optical-Makerbot\/dp\/B0719K9Z9R\"><span class=\"a-size-base-plus a-color-base a-text-normal\">HESAI CNC 3D Printer Mechanical Optical Limit Switch Endstop with Cable for Ramps 1.4 Makerbot Prusa Mendel RepRap (Pack of 6pcs)<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.3 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B0719K9Z9R&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.3 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"34\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/HESAI-Printer-Mechanical-Optical-Makerbot\/dp\/B0719K9Z9R#customerReviews\"><span class=\"a-size-base s-underline-text\">34<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/HESAI-Printer-Mechanical-Optical-Makerbot\/dp\/B0719K9Z9R\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$9.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">9<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <\/a><\/div>\n<div class=\"a-row a-size-base a-color-secondary\">Join Prime to save $1.00 on this item<\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary s-align-children-center\">\n<div class=\"a-row s-align-children-center\"><i class=\"a-icon a-icon-prime a-icon-medium\" aria-label=\"Amazon Prime\"><\/i> <span aria-label=\"Get it as soon as Wed, Mar 23\"><span class=\"a-color-base\">Get it as soon as <\/span><span class=\"a-color-base a-text-bold\">Wed, Mar 23<\/span><\/span><\/div>\n<div class=\"a-row\"><span aria-label=\"FREE Shipping on orders over $25 shipped by Amazon\"><span class=\"a-color-base\">FREE Shipping on orders over $25 shipped by Amazon<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sg-col-4-of-12 s-result-item s-asin sg-col-4-of-16 sg-col s-widget-spacing-small sg-col-4-of-20\" data-asin=\"B07XFZ99XL\" data-index=\"27\" data-uuid=\"5f31b7fe-1b30-44fe-b5c0-05dff594c81e\" data-component-type=\"s-search-result\">\n<div class=\"sg-col-inner\">\n<div class=\"s-widget-container s-spacing-small s-widget-container-height-small celwidget slot=MAIN template=SEARCH_RESULTS widgetId=search-results_24\">\n<div class=\"s-card-container s-overflow-hidden aok-relative s-expand-height s-include-content-margin s-latency-cf-section s-card-border\">\n<div class=\"a-section a-spacing-base\">\n<div class=\"s-product-image-container aok-relative s-image-overlay-grey s-text-center s-padding-left-small s-padding-right-small s-spacing-small s-height-equalized s-media-gallery s-media-gallery-treatment-T1\">\n<p>&nbsp;<\/p>\n<div class=\"a-section aok-relative s-image-square-aspect\">\n<p><img decoding=\"async\" class=\"s-image\" src=\"http:\/\/ioe.cos.ufrj.br\/wp-content\/uploads\/2022\/03\/81y7xoUpa1L._AC_UL320_.jpg\" alt=\"Songhe 5MM LDR Photosensitive Sensor Module Light Dependent Resistor Sensor Module Digital Light Detection LM393 3 pins fo...\" data-image-index=\"24\" data-image-load=\"\" data-image-latency=\"s-product-image\" data-image-source-density=\"1\" \/><\/p>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/31Cfh3itbgL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Songhe 5MM LDR Photosensitive Sensor Module Light Dependent Resistor Sensor Module Digital Light Detection LM393 3 pins fo...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/31Cfh3itbgL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/31Cfh3itbgL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/31Cfh3itbgL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/31Cfh3itbgL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/31Cfh3itbgL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51MPfHynyWL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Songhe 5MM LDR Photosensitive Sensor Module Light Dependent Resistor Sensor Module Digital Light Detection LM393 3 pins fo...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51MPfHynyWL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51MPfHynyWL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51MPfHynyWL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51MPfHynyWL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51MPfHynyWL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51Fyv4xG7TL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Songhe 5MM LDR Photosensitive Sensor Module Light Dependent Resistor Sensor Module Digital Light Detection LM393 3 pins fo...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/51Fyv4xG7TL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/51Fyv4xG7TL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/51Fyv4xG7TL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/51Fyv4xG7TL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/51Fyv4xG7TL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/31Ct48RD5SL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Songhe 5MM LDR Photosensitive Sensor Module Light Dependent Resistor Sensor Module Digital Light Detection LM393 3 pins fo...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/31Ct48RD5SL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/31Ct48RD5SL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/31Ct48RD5SL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/31Ct48RD5SL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/31Ct48RD5SL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<div class=\"s-media-gallery-image-stub aok-hidden\" data-s-media-gallery-image-properties=\"{&quot;src&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/31xBXWqX-zL._AC_UL320_.jpg&quot;,&quot;classes&quot;:&quot;s-image aok-hidden&quot;,&quot;alt&quot;:&quot;Songhe 5MM LDR Photosensitive Sensor Module Light Dependent Resistor Sensor Module Digital Light Detection LM393 3 pins fo...&quot;,&quot;srcset&quot;:&quot;https:\/\/m.media-amazon.com\/images\/I\/31xBXWqX-zL._AC_UL320_.jpg 1x, https:\/\/m.media-amazon.com\/images\/I\/31xBXWqX-zL._AC_UL480_QL65_.jpg 1.5x, https:\/\/m.media-amazon.com\/images\/I\/31xBXWqX-zL._AC_UL640_QL65_.jpg 2x, https:\/\/m.media-amazon.com\/images\/I\/31xBXWqX-zL._AC_UL800_QL65_.jpg 2.5x, https:\/\/m.media-amazon.com\/images\/I\/31xBXWqX-zL._AC_UL960_QL65_.jpg 3x&quot;}\"><\/div>\n<p>&nbsp;<\/p>\n<div class=\"s-media-gallery-control s-media-gallery-dots aok-nowrap\" aria-hidden=\"true\"><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"a-section a-spacing-small s-padding-left-small s-padding-right-small\">\n<div class=\"a-section a-spacing-none a-spacing-top-small s-title-instructions-style\">\n<h2 class=\"a-size-mini a-spacing-none a-color-base s-line-clamp-4\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Detection-Optical-Sensitive-Resistance-Photosensitive\/dp\/B07XFZ99XL\"><span class=\"a-size-base-plus a-color-base a-text-normal\">Songhe 5MM LDR Photosensitive Sensor Module Light Dependent Resistor Sensor Module Digital Light Detection LM393 3 pins for Arduino (10PCS)<\/span> <\/a><\/h2>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-small\"><span aria-label=\"4.5 out of 5 stars\"><span class=\"a-declarative\" data-action=\"a-popover\" data-csa-c-type=\"widget\" data-csa-c-func-deps=\"aui-da-a-popover\" data-a-popover=\"{&quot;closeButton&quot;:false,&quot;closeButtonLabel&quot;:&quot;&quot;,&quot;position&quot;:&quot;triggerBottom&quot;,&quot;popoverLabel&quot;:&quot;&quot;,&quot;url&quot;:&quot;\/review\/widgets\/average-customer-review\/popover\/ref=acr_search__popover?ie=UTF8&amp;asin=B07XFZ99XL&amp;ref=acr_search__popover&amp;contextId=search&quot;}\"><a class=\"a-popover-trigger a-declarative\" role=\"button\"><i class=\"a-icon a-icon-star-small a-star-small-4-5 aok-align-bottom\"><span class=\"a-icon-alt\">4.5 out of 5 stars<\/span><\/i><i class=\"a-icon a-icon-popover\"><\/i><\/a><\/span> <\/span><span aria-label=\"41\"><a class=\"a-link-normal s-underline-text s-underline-link-text s-link-style\" href=\"https:\/\/www.amazon.com\/Detection-Optical-Sensitive-Resistance-Photosensitive\/dp\/B07XFZ99XL#customerReviews\"><span class=\"a-size-base s-underline-text\">41<\/span> <\/a> <\/span><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-small s-price-instructions-style\">\n<div class=\"a-row a-size-base a-color-base\"><a class=\"a-size-base a-link-normal s-underline-text s-underline-link-text s-link-style a-text-normal\" href=\"https:\/\/www.amazon.com\/Detection-Optical-Sensitive-Resistance-Photosensitive\/dp\/B07XFZ99XL\"><span class=\"a-price\" data-a-size=\"l\" data-a-color=\"base\"><span class=\"a-offscreen\">$8.99<\/span><span aria-hidden=\"true\"><span class=\"a-price-symbol\">$<\/span><span class=\"a-price-whole\">8<span class=\"a-price-decimal\">.<\/span><\/span><span class=\"a-price-fraction\">99<\/span><\/span><\/span> <\/a><\/div>\n<\/div>\n<div class=\"a-section a-spacing-none a-spacing-top-micro\">\n<div class=\"a-row a-size-base a-color-secondary 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Products<\/span> <\/a> <\/span><\/li>\n<li id=\"n\/8297371011\" class=\"a-spacing-micro s-navigation-indent-2\"><span class=\"a-list-item\"> <a class=\"a-link-normal s-navigation-item\" href=\"https:\/\/www.amazon.com\/optical-sensors-Professional-Dental-Supplies\/s?k=optical+sensors&amp;rh=n%3A8297371011\" data-routing=\"off\"> <span class=\"a-size-base a-color-base\">Professional Dental Supplies<\/span> <\/a> <\/span><\/li>\n<li id=\"n\/8297370011\" class=\"a-spacing-micro s-navigation-indent-2\"><span class=\"a-list-item\"> <a class=\"a-link-normal s-navigation-item\" href=\"https:\/\/www.amazon.com\/optical-sensors-Professional-Medical-Supplies\/s?k=optical+sensors&amp;rh=n%3A8297370011\" data-routing=\"off\"> <span class=\"a-size-base a-color-base\">Professional Medical Supplies<\/span> <\/a> <\/span><\/li>\n<li id=\"n\/16310191\" class=\"a-spacing-micro s-navigation-indent-2\"><span class=\"a-list-item\"> <a class=\"a-link-normal s-navigation-item\" 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NET<\/span><\/li>\n<li id=\"p_6\/A2AXJAFK9E5NBS\" class=\"a-spacing-micro\" aria-label=\"Norex Supply - Save up to 70% on everything!\"><span class=\"a-list-item\"><span class=\"a-list-item\"> <a class=\"a-link-normal s-navigation-item\" href=\"https:\/\/www.amazon.com\/optical-sensors-Industrial-Scientific\/s?k=optical+sensors&amp;rh=n%3A16310091%2Cp_6%3AA2AXJAFK9E5NBS\" data-routing=\"\"><br \/>\n<\/a><\/span><\/span><\/p>\n<div class=\"a-checkbox a-checkbox-fancy s-navigation-checkbox aok-float-left\"><label><i class=\"a-icon a-icon-checkbox\"><\/i><\/label><\/div>\n<p><span class=\"a-size-base a-color-base\">Norex Supply &#8211; Save up to 70% on everything!<\/span><\/li>\n<li id=\"p_6\/A3PTK2CZN9SIN3\" class=\"a-spacing-micro\" aria-label=\"Radwell International\"><span class=\"a-list-item\"><span class=\"a-list-item\"> <a class=\"a-link-normal s-navigation-item\" 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\/>\n<\/a><\/span><\/span><\/p>\n<div class=\"a-checkbox a-checkbox-fancy s-navigation-checkbox aok-float-left\"><label><i class=\"a-icon a-icon-checkbox\"><\/i><\/label><\/div>\n<p><span class=\"a-size-base a-color-base\">SEKEGE<\/span><\/li>\n<li id=\"p_6\/A2L77EE7U53NWQ\" class=\"a-spacing-micro\" aria-label=\"Amazon Warehouse\"><span class=\"a-list-item\"><span class=\"a-list-item\"> <a class=\"a-link-normal s-navigation-item\" href=\"https:\/\/www.amazon.com\/optical-sensors-Industrial-Scientific-Amazon-Warehouse\/s?k=optical+sensors&amp;rh=n%3A16310091%2Cp_6%3AA2L77EE7U53NWQ\" data-routing=\"\"><br \/>\n<\/a><\/span><\/span><\/p>\n<div class=\"a-checkbox a-checkbox-fancy s-navigation-checkbox aok-float-left\"><label><i class=\"a-icon a-icon-checkbox\"><\/i><\/label><\/div>\n<p><span class=\"a-size-base a-color-base\">Amazon Warehouse<\/span><\/li>\n<\/ul>\n<div id=\"p_n_availability-title\" class=\"a-section a-spacing-small\"><span class=\"a-size-base a-color-base s-bold-weight-text\">Availability<\/span><\/div>\n<ul class=\"a-unordered-list a-nostyle a-vertical a-spacing-medium\" aria-labelledby=\"p_n_availability-title\">\n<li id=\"p_n_availability\/2661601011\" class=\"a-spacing-micro\" aria-label=\"Include Out of Stock\"><span class=\"a-list-item\"><span class=\"a-list-item\"> <a class=\"a-link-normal s-navigation-item\" href=\"https:\/\/www.amazon.com\/optical-sensors-Industrial-Scientific\/s?k=optical+sensors&amp;rh=n%3A16310091%2Cp_n_availability%3A2661601011\" data-routing=\"\"><br \/>\n<\/a><\/span><\/span><\/p>\n<div class=\"a-checkbox a-checkbox-fancy s-navigation-checkbox aok-float-left\"><label><i class=\"a-icon a-icon-checkbox\"><\/i><\/label><\/div>\n<p><span class=\"a-size-base a-color-base\">Include Out of Stock<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><\/p>\n<p class=\"wpss_copy\">Content retrieved from: <a href=\"https:\/\/www.amazon.com\/s?k=optical+sensors&#038;i=industrial&#038;crid=ZN58O2XSUWZ&#038;sprefix=Optical+Sensors%2Cindustrial%2C157&#038;ref=nb_sb_ss_c_2_15_ts-doa-p\" target=\"_blank\" rel=\"noopener\">https:\/\/www.amazon.com\/s?k=optical+sensors&#038;i=industrial&#038;crid=ZN58O2XSUWZ&#038;sprefix=Optical+Sensors%2Cindustrial%2C157&#038;ref=nb_sb_ss_c_2_15_ts-doa-p<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Did you mean optical sensor &nbsp; RESULTS Price and other details may vary based on product size and color. &nbsp; &nbsp; Amazon&#8217;s Choicefor optical sensors &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D Printer 4.6 out of 5 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