{"product_id":"optocoupler-speed-sensor-module-for-arduino","title":"Slot Type IR Optocoupler Speed Sensor LM393 Module for Arduino 3.3V-5V","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe Slot Type Infrared Optocoupler Speed Sensor Module with LM393 comparator is designed for precise motor speed detection, pulse counting, and position control. Featuring the high-sensitivity ITR9606 optocoupler, it combines an infrared emitter and an NPN phototransistor in a 5 mm slot structure to ensure accurate signal response.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis module operates on 3.3V–5V and outputs a clean digital signal (DO) ideal for microcontrollers like Arduino, Raspberry Pi, or other development boards. The onboard LM393 comparator ensures stable performance, clear signal waveform, and drive capability above 15mA. Convenient M3 mounting holes make installation easy and flexible for robotics or automation projects.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWhen no object blocks the slot, the DO output stays low, and the indicator LED remains on. When an object interrupts the infrared beam, the output switches high and the LED turns off — allowing reliable object detection, rotation count measurement, or simple on\/off triggering for relays and buzzers.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEquipped with ITR9606 infrared slot optocoupler\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLM393 wide-voltage comparator for stable signal output\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOutput: Digital signal (DO) only, AO pin inactive\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOperating voltage: 3.3V–5V\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOutput current capability \u0026gt;15mA\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBuilt-in power and output indicator LEDs\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eM3 mounting holes for easy installation\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eIdeal for motor speed measurement, object counting, position sensing, and automation control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMotor speed detection and encoder projects\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePulse and position sensing\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDIY robotics and Arduino-based automation\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRelay or buzzer triggering for warning systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eUsage Note:\u003c\/strong\u003e\u003cbr\u003eAlways connect power correctly; reversing polarity may damage the module. For Raspberry Pi users, configure GPIO pins as input mode before use. Other MCUs (e.g., ARM, STM32, ESP32) must also use input\/receive mode for proper function. The 51-series MCUs can be used directly without extra configuration.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":44496237002903,"sku":"21PS001245","price":42.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/slot-optocoupler-speed-sensor-arduino-3d-view.jpg?v=1763022627","url":"https:\/\/scccltd.com\/en-tw\/products\/optocoupler-speed-sensor-module-for-arduino","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}