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safer and more fun
1/4 inch scale
2020 series aluminum extrusion connector set widely used for building industrial aluminum frame structures
which can be widely used and durable
never miss the TV episodes
IR Infrared Obstacle Avoidance Sensor (2pcs) IR Transmitting and Receiving Tube Photoelectric Switch 3-pin Compatible with Ar-duino Smart Car Robot dingo safer and more funIR Infrared Obstacle Avoidance Sensor (2pcs) IR Transmitting and Receiving Tube Photoelectric Switch 3 pin Compatible with Ar duino Smart Car Robot 1. When the module detects an obstacle in front of the signal , the green indicator light on the board level , while low level continuous output signal OUT port , the module detects the distance 2 ~ 30cm, detection angle 35 , the distance can detect potential is adjusted clockwise adjustment potentiometer
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