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Simple Light-operated Switch Circuit

2014-11-21 05:58  
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Simple Light-operated Switch Circuit
As shown in thefigure is a simple light-operated switch circuit.In some public places,it is convenient as well as power-saving whenapplied to,such as,passageway、street lamp...It starts automatically in the dark;and closes in the daytime.It is applicable to different types of photoresistance and opens under certain conditions(degree of darkness) by regulating 4.7 M Ω potentiometer.