A proximity sensor switch circuit that used as a detective circuit. The circuit working is based on the reflection of an infrared hitting the object and reflecting back to the receiver. It is good for checking and detecting any approaching objects.

Technical specifications:
- Power supply : 12VDC.
- Consumption : 100mA. max.
- Detecting distance : 5-30 cm. (approx.)
- Time working delay : 0-10 sec.
- Loading : max. 5A./220VAC.
- PCB dimensions : 3.84 x 2.01 in.

Example How to use :   To control automatic water in the toilet, this board will control to on/off the water once board detect an object. ( human )

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