{"product_id":"slot-type-photoelectric-interrupter-sensor-module","title":"Slot-Type Photoelectric Interrupter Sensor Module - 3.3V to 5V","description":"\u003cdiv class=\"nznpd\"\u003e\n\u003cdiv class=\"nznpd__lead\"\u003e\n\u003cp class=\"nznpd__intro\"\u003eThis compact slot-type photoelectric interrupter module detects an opaque vane, wheel or tab passing through its optical fork and provides a digital signal for your controller. Use it for pulse counting, wheel speed, revolution sensing and repeatable position detection in Arduino, ESP32 and similar projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__specs\"\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSensor type\u003c\/span\u003e\u003cstrong\u003eTransmissive infrared slot interrupter\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSupply\u003c\/span\u003e\u003cstrong\u003e3.3V to 5.0V DC\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eOutput\u003c\/span\u003e\u003cstrong\u003eDigital switching \/ pulse signal\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eConnections\u003c\/span\u003e\u003cstrong\u003eOUT, VCC and GND\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003ePCB footprint\u003c\/span\u003e\u003cstrong\u003eApprox. 26.6 x 14.8mm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMounting\u003c\/span\u003e\u003cstrong\u003eTwo PCB through-holes\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eDatasheets\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__ds\"\u003e\n\u003ca class=\"nznpd__dsbar\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/Slot-Type-Photoelectric-Interrupter-Module-Datasheet-v1.pdf?v=1789450581\" target=\"_blank\" rel=\"noopener\" aria-label=\"Download the slot-type photoelectric interrupter sensor module datasheet PDF\"\u003e\n\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cspan\u003eFull technical datasheet\u003c\/span\u003e\n\u003cspan class=\"nznpd__dsmeta\"\u003ePDF\u003csvg width=\"17\" height=\"17\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4\"\u003e\u003c\/path\u003e\u003cpolyline points=\"7 10 12 15 17 10\"\u003e\u003c\/polyline\u003e\u003cline x1=\"12\" y1=\"15\" x2=\"12\" y2=\"3\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__included\"\u003e\n\u003cdiv class=\"nznpd__qty\"\u003e1x\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSlot-type photoelectric interrupter module\u003c\/strong\u003e\u003cp\u003eOne assembled blue PCB with fitted optical fork and three-pin male header. Encoder disc, cable and mounting hardware are not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eGreat for\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__uses\"\u003e\n\u003cdiv class=\"nznpd__use\"\u003eRobot wheel speed and revolution counting\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eSlotted encoder discs and tachometer projects\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003ePosition, home and end-of-travel detection\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eDigital event and object-pass counters\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003cdiv class=\"nznpd__qs\"\u003e\n\u003ch3\u003eWiring \u0026amp; getting started\u003c\/h3\u003e\n\u003col class=\"nznpd__steps\"\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eConnect power\u003c\/strong\u003e\u003cp\u003eWith power off, connect VCC to a regulated 3.3V or 5V rail and connect GND to the controller ground.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eConnect the signal\u003c\/strong\u003e\u003cp\u003eConnect OUT to a digital input. Use an interrupt-capable pin when you need reliable pulse counting at speed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCheck both states\u003c\/strong\u003e\u003cp\u003ePower the module, read OUT with the slot clear, then pass an opaque vane fully through the gap and confirm the state changes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCalculate motion\u003c\/strong\u003e\u003cp\u003eCount signal edges over time and divide by the number of slots or vanes per revolution to calculate speed or distance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cp class=\"nznpd__note\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This module family appears in more than one circuit revision, so idle output polarity can vary. Check both clear-slot and blocked-slot states in your finished circuit rather than assuming HIGH or LOW at rest.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NZN Electronics","offers":[{"title":"Default Title","offer_id":43150510063712,"sku":"MOD-WYCH206-SLOT","price":2.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/slot-type-photoelectric-interrupter-sensor-module-hero.png?v=1789446209","url":"https:\/\/www.nznelectronics.co.nz\/products\/slot-type-photoelectric-interrupter-sensor-module","provider":"NZN Electronics","version":"1.0","type":"link"}