Description
IR Infrared Obstacle Avoidance Sensor Module has a pair of infrared transmitting and receiving LED’s. When the transmitted light waves are reflected back, the reflected IR waves will be received by the receiver LED.
The module features a 3 wire interface with Vcc, GND and an OUTPUT pin on its back. It works fine with 3v3 to 5V levels. Upon hindrance/reflectance, the output pin gives out a digital signal (a low level signal). The onboard preset helps to fine tune the range of operation, effective distance range is 2cm to 50cm.
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