I just bought infrared sensor in order to count amount of black cable in the factory... It is quite sensitive to detect, but to detect black color cable, it can not. In the principle, I know that black color absorb all the light coming, so it means when the sensor can not get any reflected light. …

My Infrared Sensor can't detect black colour, how to solve this!

system April 5, 2012, 8:51am 4

Sorry I don't know too much about ultrasonic sensor. Never tryed one.

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