Review on 20-Piece IR Infrared Obstacle Avoidance Sensor Module + Arduino Smart Car Robot Raspberry Pi 3-Compatible Reflective Photoelectric Sensor by Julian Perkins
Works best in computer components
They really work. There is a lot of crosstalk between the LED and the receiver, so you'll either have to shield them or mount them from the board. Otherwise, they are easy to use and implement.
- computer components
- poorly thought out
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