20Pcs Infrared Obstacle Avoidance Sensor Smart Car Robot Geekcreit for Arduino - products that work with official Arduino boards20Pcs Infrared Obstacle Avoidance Sensor For Smart Car Robot Description : The sensor module light is adaptable to the environment, the working voltage of 3. 3 V to 5 V. It has a pair of infrared transmitting and receiving tube, when detecting direction meet with obstacles (reflecting surface), reflected infrared receiving by the tube. After the comparator circuit processing, green indicator will light up, at the same time the signal output interface
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20Pcs Infrared Obstacle Avoidance Sensor Smart Car Robot Geekcreit for Arduino - products that work with official Arduino boards