4Channel Infrared Reflection Tracking Sensor Module PCB for Car Obstacle Avoidance Product overview A compact 4channel infrared reflection sensor module designed for line tracking and obstacle avoidance on small robotic cars and mobile platforms. Each channel provides an independent detection signal, making the module suitable for multipoint sensing tasks such as line following, edge detection, and shortrange obstacle sensing. Key benefits Multichannel detection: Four independent infrared sensing channels allow more precise path tracking and simultaneous coverage of a wider area. Simplified integration: Outputs are suitable for direct connection to common development boards and microcontrollers that read digital sensor signals, enabling quick prototype development. Space efficient: Compact PCB design fits small robot chassis and tight mounting locations without major modifications. Reliable sensing: Infrared reflection detection provides consistent performance for darkline versus lightsurface contrast and shortrange obstacle detection in many indoor settings. Low power footprint: Sensor design is optimized for low current draw to preserve battery life in mobile applications. Main functions and attributes Function: Infrared reflection detection for tracking and obstacle avoidance, with four individual channels for parallel sensing. Compatibility: Intended for use with microcontrollers and development boards that accept digital sensor inputs and standard GPIO connections. Also suitable for hobby robot chassis, educational kits, and DIY electronics projects. Size and form factor: Compact printed circuit board module that mounts easily to small robots or frames. Material and construction: Standard PCB construction with onboard infrared emitters and photodetectors arranged in a 4channel array to detect reflected infrared light. Performance: Designed for shortrange reflection detection and line contrast sensing in typical indoor lighting conditions. Channels operate independently to support multisensor logic and control. Typical applications Linefollowing robot car: Use the module as a 4point line sensor to detect and steer along painted or taped lines on a flat surface. Obstacle avoidance for small mobile robots: Mount the module near the front edge of a robot chassis to supplement navigation logic with shortrange reflective obstacle detection. Educational and prototyping projects: Integrate into classroom robotics kits, hobby projects, or rapid prototypes that require straightforward digital feedback from multiple sensing points. Why choose this module This 4channel infrared reflection sensor module PCB offers a practical combination of multipoint sensing, compact size, and straightforward electrical interfacing. It helps developers and hobbyists add reliable line tracking and shortrange obstacle detection to small robotic platforms without complex wiring or signal conditioning. Notes for integration Ensure sensor outputs match the logic voltage levels of your controller before connection. Performance depends on surface reflectivity and ambient lighting; test in the target environment and adjust mounting height and angle as needed.