{"product_id":"qtr-8rc-reflectance-sensor-array","title":"QTR-8RC Reflectance Sensor Array","description":"\u003cp data-start=\"567\" data-end=\"982\"\u003eThe \u003cstrong data-start=\"571\" data-end=\"607\"\u003eQTR-8RC Reflectance Sensor Array\u003c\/strong\u003e is a high-performance 8-channel infrared reflectance sensor module designed for precise line detection, position tracking, and robotic navigation applications. Built with eight infrared LED and phototransistor pairs, the sensor array measures surface reflectance and provides highly accurate line-following capabilities for autonomous robots and intelligent control systems.\u003c\/p\u003e\n\u003cp data-start=\"984\" data-end=\"1414\"\u003eThe QTR-8RC sensor detects differences between light and dark surfaces by measuring reflected infrared light. White surfaces reflect more infrared light while black surfaces absorb it, enabling the module to accurately determine line position and movement. With eight closely spaced sensors, the module offers excellent resolution and tracking accuracy, making it ideal for advanced line follower robots and robotics competitions.\u003c\/p\u003e\n\u003cp data-start=\"1416\" data-end=\"1757\"\u003eThe module uses RC (resistor-capacitor) outputs, allowing direct interfacing with microcontrollers such as Arduino, ESP32, STM32, Raspberry Pi, and other embedded platforms. Adjustable emitter control and compact PCB construction make it suitable for educational projects, research, industrial automation, and autonomous vehicle development.\u003c\/p\u003e\n\u003cp data-start=\"1759\" data-end=\"1966\"\u003eIts reliable performance, fast response time, and precise sensing capabilities have made the QTR-8RC one of the most widely used sensor arrays for robotics enthusiasts, students, and professional developers.\u003c\/p\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"1968\" data-end=\"1980\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1981\" data-end=\"2289\"\u003e\n\u003cli data-section-id=\"3fpeya\" data-start=\"1981\" data-end=\"2013\"\u003e8 Infrared Reflectance Sensors\u003c\/li\u003e\n\u003cli data-section-id=\"1vfp2o4\" data-start=\"2014\" data-end=\"2046\"\u003eHigh-Resolution Line Detection\u003c\/li\u003e\n\u003cli data-section-id=\"1up2gym\" data-start=\"2047\" data-end=\"2067\"\u003eFast Response Time\u003c\/li\u003e\n\u003cli data-section-id=\"imr99f\" data-start=\"2068\" data-end=\"2089\"\u003eRC Output Interface\u003c\/li\u003e\n\u003cli data-section-id=\"q7qe08\" data-start=\"2090\" data-end=\"2122\"\u003eCompact and Lightweight Design\u003c\/li\u003e\n\u003cli data-section-id=\"1fsxrhk\" data-start=\"2123\" data-end=\"2151\"\u003eAccurate Position Tracking\u003c\/li\u003e\n\u003cli data-section-id=\"wbr4ut\" data-start=\"2152\" data-end=\"2183\"\u003eAdjustable IR Emitter Control\u003c\/li\u003e\n\u003cli data-section-id=\"fz4rgx\" data-start=\"2184\" data-end=\"2216\"\u003eSuitable for High-Speed Robots\u003c\/li\u003e\n\u003cli data-section-id=\"1ox85zj\" data-start=\"2217\" data-end=\"2257\"\u003eEasy Integration with Microcontrollers\u003c\/li\u003e\n\u003cli data-section-id=\"1ijs0cj\" data-start=\"2258\" data-end=\"2289\"\u003eReliable and Stable Operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"2291\" data-end=\"2319\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"2320\" data-end=\"2643\"\u003e\n\u003cli data-section-id=\"1gm9kmm\" data-start=\"2320\" data-end=\"2336\"\u003eModel: QTR-8RC\u003c\/li\u003e\n\u003cli data-section-id=\"1sev9po\" data-start=\"2337\" data-end=\"2357\"\u003eSensor Channels: 8\u003c\/li\u003e\n\u003cli data-section-id=\"1hmy5em\" data-start=\"2358\" data-end=\"2401\"\u003eSensor Type: Infrared Reflectance Sensors\u003c\/li\u003e\n\u003cli data-section-id=\"by8oo2\" data-start=\"2402\" data-end=\"2435\"\u003eOperating Voltage: 3.3V – 5V DC\u003c\/li\u003e\n\u003cli data-section-id=\"1pdp13f\" data-start=\"2436\" data-end=\"2467\"\u003eOutput Type: RC Timing Output\u003c\/li\u003e\n\u003cli data-section-id=\"k93npg\" data-start=\"2468\" data-end=\"2507\"\u003eDetection Method: Infrared Reflection\u003c\/li\u003e\n\u003cli data-section-id=\"5n1vay\" data-start=\"2508\" data-end=\"2544\"\u003eInterface: Digital GPIO Compatible\u003c\/li\u003e\n\u003cli data-section-id=\"ba3kwp\" data-start=\"2545\" data-end=\"2583\"\u003eBoard Type: Reflectance Sensor Array\u003c\/li\u003e\n\u003cli data-section-id=\"1q22w3p\" data-start=\"2584\" data-end=\"2643\"\u003eCompatible Platforms: Arduino, ESP32, STM32, Raspberry Pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2645\" data-end=\"2661\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2662\" data-end=\"2904\"\u003e\n\u003cli data-section-id=\"n7iz87\" data-start=\"2662\" data-end=\"2684\"\u003eLine Follower Robots\u003c\/li\u003e\n\u003cli data-section-id=\"rtm6sz\" data-start=\"2685\" data-end=\"2708\"\u003eRobotics Competitions\u003c\/li\u003e\n\u003cli data-section-id=\"18kaccm\" data-start=\"2709\" data-end=\"2743\"\u003eAutonomous Guided Vehicles (AGV)\u003c\/li\u003e\n\u003cli data-section-id=\"1f1rsls\" data-start=\"2744\" data-end=\"2770\"\u003eRobot Navigation Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1z09ebn\" data-start=\"2771\" data-end=\"2800\"\u003ePath Detection Applications\u003c\/li\u003e\n\u003cli data-section-id=\"1pfydxu\" data-start=\"2801\" data-end=\"2823\"\u003eEducational Robotics\u003c\/li\u003e\n\u003cli data-section-id=\"17og4a8\" data-start=\"2824\" data-end=\"2847\"\u003eIndustrial Automation\u003c\/li\u003e\n\u003cli data-section-id=\"j4zevk\" data-start=\"2848\" data-end=\"2877\"\u003eEmbedded System Development\u003c\/li\u003e\n\u003cli data-section-id=\"s7beoh\" data-start=\"2878\" data-end=\"2904\"\u003eResearch and Prototyping\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"electro robo store","offers":[{"title":"Default Title","offer_id":52667885125908,"sku":"MT0568","price":350.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/6590\/0052\/files\/r_a33fd5ef-c345-4789-aebd-d3c280c5da83.jpg?v=1781519357","url":"https:\/\/electro-robo.com\/products\/qtr-8rc-reflectance-sensor-array","provider":"Electro Robo Store","version":"1.0","type":"link"}