Smart Car Robot Sensor Module Kit HW-201 IR Infrared Obstacle Avoidance Sensor

Description Key Features of Smart Car Robot Sensor Module Kit HW-201 Infrared reflective obstacle detection technology Compact and lightweight PCB design Wide operating voltage range (3.3V–5V) Adjustable detection sensitivity Stable digital output signal LM393 onboard comparator for accurate detection Simple 3-wire interface (VCC, GND, OUT) Ideal for smart car robots and obstacle avoidance systems Suitable for Arduino, ESP8266, ESP32, and other controllers   echnical Specifications Parameter Specification Model HW-201 / MH-B Sensor Type IR Reflective Obstacle Avoidance Sensor Input Voltage 3.3V – 5V DC Detection Distance 2 – 30 cm Detection Angle 35° Comparator IC LM393 Output Type Digital Connection VCC → VCC, GND → GND, OUT → IO Board Size 3.2 cm × 1.4 cm Module Type 3-Wire Reflective Sensor Application Obstacle Avoidance Use Electronics, Robotics Compatibility & Integration The Smart Car Robot Sensor Module Kit HW-201 IR Infrared Obstacle Avoidance Sensor is compatible with: Arduino UNO / Nano / Mega ESP8266 NodeMCU ESP32 development boards Raspberry Pi (with level shifting if required) Smart car robot controllers Robotics kits and DIY automation boards The simple 3-wire interface allows fast installation without additional components. Common Applications This IR obstacle avoidance sensor module is widely used in: Smart car robots Obstacle avoidance robots Line follower and maze-solving robots DIY robotics projects Automation prototypes Collision detection systems Educational robotics kits College and university lab experiments Its compact size makes it ideal for tight-space robotic designs. Ideal for Education & Training The HW-201 IR Infrared Obstacle Avoidance Sensor is a favorite in: Engineering colleges Robotics workshops STEM learning programs Beginner Arduino training School-level robotics competitions Students can easily understand obstacle detection logic using this module.