{"product_id":"5mm-ir-transmitter-receiver-pair","title":"5mm IR Transmitter Receiver Pair","description":"\u003cmeta name=\"description\" content=\"Buy 5mm IR Transmitter Receiver Pair online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003e5mm IR Transmitter Receiver Pair\u003c\/h1\u003e\n\u003cp\u003eReliable 5mm infrared transmitter and receiver LED pair from The Engineer Store, Bengaluru. Ideal for object detection, proximity sensing, line-following robots, and wireless IR communication projects. Fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Type\u003c\/td\u003e\n\u003ctd\u003eIR LED Transmitter \u0026amp; Photodiode Receiver Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Diameter\u003c\/td\u003e\n\u003ctd\u003e5mm (T1-3\/4 Package)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength (Transmitter)\u003c\/td\u003e\n\u003ctd\u003e940nm (Infrared)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Voltage (Transmitter)\u003c\/td\u003e\n\u003ctd\u003e1.2V - 1.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Current (Transmitter)\u003c\/td\u003e\n\u003ctd\u003e20mA (Max 50mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Type\u003c\/td\u003e\n\u003ctd\u003eIR Photodiode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Sensitivity Wavelength\u003c\/td\u003e\n\u003ctd\u003e940nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Range\u003c\/td\u003e\n\u003ctd\u003eUp to 15-20cm (depending on ambient conditions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViewing Angle\u003c\/td\u003e\n\u003ctd\u003e~20 degrees-30 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V - 5V (with appropriate resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Color (Transmitter)\u003c\/td\u003e\n\u003ctd\u003eClear \/ Transparent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Color (Receiver)\u003c\/td\u003e\n\u003ctd\u003eDark \/ Tinted (IR filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 degreesC to +85 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino, Raspberry Pi, ESP32, ESP8266, STM32, PIC, 555 Timer Circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\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\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\u003eMatched 940nm Pair:\u003c\/strong\u003e Transmitter and receiver are wavelength-matched for maximum sensitivity and reliable detection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 5mm Package:\u003c\/strong\u003e Fits directly into breadboards, perfboards, and standard PCB through-hole footprints\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Voltage:\u003c\/strong\u003e Works seamlessly with 3.3V and 5V logic systems using a simple current-limiting resistor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Response Time:\u003c\/strong\u003e Rapid switching speed suitable for high-frequency modulation and data transmission applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Draws minimal current, making it perfect for battery-powered and portable projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Visual Identification:\u003c\/strong\u003e Clear lens for transmitter, dark-tinted lens for receiver - no mix-ups during assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Operating Life:\u003c\/strong\u003e Solid-state LED technology ensures thousands of hours of reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This IR Pair?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic components from trusted and verified suppliers\u003c\/li\u003e\n\u003cli\u003ePre-matched transmitter and receiver for optimal performance out of the box\u003c\/li\u003e\n\u003cli\u003eExtensively tested and used in robotics, automation, and embedded systems projects\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003eExpert technical support to help you integrate into your circuit design\u003c\/li\u003e\n\u003cli\u003eExcellent value - professional-grade components at hobbyist-friendly pricing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eIR transmitter\u003c\/strong\u003e is an infrared LED that emits invisible 940nm light when forward-biased. The \u003cstrong\u003eIR receiver\u003c\/strong\u003e is a photodiode that conducts current proportionally to the intensity of infrared light hitting its junction. When an object is placed between or in front of the pair, the reflected or interrupted IR beam changes the receiver's output, which can be read by a microcontroller's analog or digital input pin. A simple voltage divider circuit with the photodiode and a pull-up resistor converts the light intensity change into a measurable voltage signal.\u003c\/p\u003e\n\n\u003ch2\u003eTypical Circuit Configuration\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmitter Circuit:\u003c\/strong\u003e Connect the IR LED anode to VCC (5V) through a 100Ohm-220Ohm current-limiting resistor; cathode to GND\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver Circuit:\u003c\/strong\u003e Connect the photodiode cathode to VCC and anode to GND through a 10KOhm pull-down resistor; tap the voltage at the junction for analog\/digital reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith Comparator:\u003c\/strong\u003e Use an LM358 or LM393 comparator IC with a potentiometer for adjustable threshold-based digital output\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-Following Robot:\u003c\/strong\u003e Mount multiple IR pairs facing downward to detect black lines on a white surface for autonomous navigation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObject Detection \u0026amp; Counting:\u003c\/strong\u003e Create a break-beam sensor to count objects passing through a conveyor belt or doorway\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObstacle Avoidance Robot:\u003c\/strong\u003e Use reflective IR sensing to detect walls and obstacles for autonomous robot movement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR Remote Control Decoder:\u003c\/strong\u003e Pair with a TSOP1738 or use directly to build custom IR remote control systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProximity Sensor Module:\u003c\/strong\u003e Build a DIY proximity sensor for automatic hand dryers, soap dispensers, or touchless\u003c\/li\u003e\n\u003c\/ul\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 5mm IR Transmitter Receiver Pair Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e5mm IR Transmitter Receiver Pair\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\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\u003e5mm IR Transmitter Receiver Pair\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\u003e5mm IR Transmitter Receiver Pair\u003c\/strong\u003e at the best price in India? The Engineer Store 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":"My Store","offers":[{"title":"Default Title","offer_id":43773661151395,"sku":"TES-EV102210","price":14.84,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/download_2__10_3.jpg?v=1701073609","url":"https:\/\/www.theengineerstore.in\/or\/products\/5mm-ir-transmitter-receiver-pair","provider":"The Engineer Store","version":"1.0","type":"link"}