{"product_id":"qre1113-infrared-reflective-sensor-module-3-3v-5v-line-tracking-sensor","title":"QRE1113 Infrared Reflective Sensor Module – 3.3V\/5V Line Tracking Sensor","description":"\u003cp\u003e\u003cspan\u003eThe QRE1113 Infrared Reflective Sensor Module is a compact and reliable optical sensor designed for detecting surfaces, objects, and changes in reflectivity. Using an infrared emitter and phototransistor receiver, the module detects reflected infrared light, making it ideal for line-following robots, object detection, and DIY electronics projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with Arduino, ESP32, and other microcontroller platforms, this sensor is an excellent choice for robotics, automation, and educational electronics applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSensor Model:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e QRE1113 Infrared Reflective Sensor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOperating Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3.3V–5V DC (module-dependent)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDetection Method:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Infrared Light Reflection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSensor Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Reflective Infrared Optical Sensor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOutput:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Analog or Digital Signal (depending on module version)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDetection Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Short-range surface detection, typically a few millimetres\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ideal for small robotics and embedded applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNon-Contact Detection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Detects surfaces without physical contact\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEasy Integration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for Arduino, ESP32, and other microcontrollers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLine-following robots\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBlack and white surface detection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRobotic vehicle navigation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eObject presence detection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSurface reflectivity measurement\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDIY automation projects\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEducational robotics experiments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOptical sensing applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eHow It Works\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe QRE1113 uses an infrared LED to emit light toward a nearby surface. A phototransistor detects the amount of infrared light reflected back from that surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLight-coloured surfaces generally reflect more infrared light, while dark surfaces absorb more.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA connected microcontroller can interpret these changes to distinguish between different surfaces, making the sensor particularly useful for line-following robots.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e1 × QRE1113 Infrared Reflective Sensor Module\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Detection performance depends on the distance, surface material, colour, and ambient lighting conditions. Output type and pin configuration may vary between module versions. Verify the module's specifications before connecting it to your microcontroller.\u003c\/span\u003e\u003c\/p\u003e","brand":"NamTronics","offers":[{"title":"Default Title","offer_id":68077000818799,"sku":"10099","price":30.0,"currency_code":"NAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/9866\/5839\/files\/6826ca8c-c203-41ef-bba7-f0b394424b6b_46cbd444-6186-46e7-98e4-e94482983eb1.png?v=1793366534","url":"https:\/\/namtronics.com\/products\/qre1113-infrared-reflective-sensor-module-3-3v-5v-line-tracking-sensor","provider":"NamTronics","version":"1.0","type":"link"}