Automatically turn off the lights ater 10 minutes. If you often forget to turn off the lights outside or at different places in the house, this circuit can be practical for you. It can control two independent light switches with different turn off times. Press the button once and the light turns on for the preset time. Press again, and the light remains on forever. Press for the third time, and the light turns off.
http://jap.hu/electronic/lamp.html
Monday, March 9, 2009
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