Adjustable Infrared Sensor Switch
Another great infrared sensor. This infrared sensor can be powered with 5V and detection distance can be adjust from 3cm to 80cm. NPN output. It can be used as an automation machine, a mobile robot for obstacle detecting. it is a non-contact detection.
The implementations of modulated IR signals immune the sensor to the interferences caused by the normal light of a light bulb or the sunlight.
Red/brown wire: +5V
Green/blue wire: GND
Yellow/black wire: NPN output
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