{"product_id":"ir-infrared-obstacle-avoidance-sensor-module","title":"IR (Infrared) Obstacle Avoidance Sensor Module","description":"\u003cmeta name=\"description\" content=\"Buy IR Infrared Obstacle Avoidance Sensor Module online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003eIR (Infrared) Obstacle Avoidance Sensor Module\u003c\/h1\u003e\n\u003cp\u003eDetect obstacles and objects with precision using this compact IR Obstacle Avoidance Sensor Module from The Tech Depot, Bengaluru. Built around an infrared emitter-receiver pair and the LM393 comparator, this module delivers reliable digital output for robotics, automation, and proximity-sensing projects. Adjustable detection range, simple 3-pin interface, and onboard indicator LEDs make it the go-to choice for beginners and professionals alike. Fast shipping across India with full technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eIR Infrared Obstacle Avoidance Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComparator IC\u003c\/td\u003e\n\u003ctd\u003eLM393 Dual Comparator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V - 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eDigital (High\/Low TTL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Range\u003c\/td\u003e\n\u003ctd\u003e2 cm - 30 cm (adjustable via potentiometer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Angle\u003c\/td\u003e\n\u003ctd\u003e~35 degrees effective cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIR Wavelength\u003c\/td\u003e\n\u003ctd\u003e~940 nm (near-infrared)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 15 mA (can drive small loads directly)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e~20 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Indicators\u003c\/td\u003e\n\u003ctd\u003ePower LED (Red) + Signal LED (Green)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e\n\u003ctd\u003eOnboard multi-turn potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Pins\u003c\/td\u003e\n\u003ctd\u003eVCC, GND, OUT (3-pin header)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Dimensions\u003c\/td\u003e\n\u003ctd\u003e~32 mm x 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e2 x M3 screw holes for easy chassis mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard 2.54 mm pitch header \/ Dupont cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Boards\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP32, ESP8266, Raspberry Pi, STM32, PIC, 8051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic Quality Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7 Technical Assistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable LM393 Comparator:\u003c\/strong\u003e Delivers clean, stable digital output with minimal noise, ensuring accurate obstacle detection even in electrically noisy environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Detection Range:\u003c\/strong\u003e Onboard precision potentiometer lets you fine-tune sensitivity from approximately 2 cm to 30 cm to suit your specific application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple 3-Pin Digital Interface:\u003c\/strong\u003e Just VCC, GND, and OUT - connect directly to any microcontroller GPIO pin without additional circuitry or ADC requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Onboard LEDs:\u003c\/strong\u003e Power indicator confirms the module is energized; signal indicator provides real-time visual feedback when an obstacle is detected, simplifying debugging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates seamlessly at both 3.3V and 5V logic levels, making it compatible with Arduino Uno, Nano, Mega, ESP32, ESP8266, Raspberry Pi, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Mountable Design:\u003c\/strong\u003e Slim PCB with M3 mounting holes integrates easily into robot chassis, conveyor systems, and custom enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Response Time:\u003c\/strong\u003e Near-instantaneous detection allows real-time obstacle avoidance in moving robots and automated systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Draws only ~20 mA, ideal for battery-powered and portable projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe module pairs an infrared LED transmitter with a photodiode receiver positioned side by side. The IR LED continuously emits a beam of ~940 nm infrared light. When an object enters the detection zone, the IR light reflects off the surface and is picked up by the photodiode. The LM393 comparator compares the received signal level against a threshold set by the onboard potentiometer. If the reflected signal exceeds the threshold (obstacle present), the OUT pin goes LOW; if no obstacle is detected, OUT remains HIGH. This clean digital output can be read directly by any microcontroller.\u003c\/p\u003e\n\n\u003ch2\u003ePin Configuration\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eLabel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003ePower supply input (3.3V - 5V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eOUT\u003c\/td\u003e\n\u003ctd\u003eDigital output - LOW when obstacle detected, HIGH when clear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWiring Guide - Arduino Uno Example\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eArduino Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOUT\u003c\/td\u003e\n\u003ctd\u003eD2 (or\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy IR (Infrared) Obstacle Avoidance Sensor Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eIR (Infrared) Obstacle Avoidance Sensor Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eIR (Infrared) Obstacle Avoidance Sensor Module\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eIR (Infrared) Obstacle Avoidance Sensor Module\u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746561470721,"sku":"TTD-17842","price":31.48,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/c1cec2269a76ca69dc4917482af2a9aa.jpg?v=1778107636","url":"https:\/\/techdepot.in\/products\/ir-infrared-obstacle-avoidance-sensor-module","provider":"Tech Depot India","version":"1.0","type":"link"}