Hand Wave Sensor Switch Relay Circuit(Very Good)

If your looking for a circuit that will activate a relay for a set time (second/minutes or hours) with a simple wave of the hand in front of an IR sensor, then this circuit is for you. This is the same type of circuit used in bathroom hand driers, and faucets to trigger solenoid valves. Trigger whatever you want up to the rated output of the relay

Schematic located at this website:

http://electronicsforu.com/electronics-projects/touch-free-timer-switch

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