IR Infrared Obstacle Avoidance Sensor Module
The obstacle avoidance sensor is a distance-adjustable, infrared proximity sensor designed for wheeled robots.
The sensor detection distance ranges from 2cm to 30cm, it can be adjusted by turning the potentiometer knob. The operating voltage is 3.3V-5V so it is suitable for a variety of microcontrollers like Arduino, ESP32, Teensy, ESP8266, Raspberry Pi, and others.
It has strong adaptability to ambient light and it is fairly accurate to sense changes in the surrounding environment.
More information can be found here.