Intelligent Night Light

This is a nice, intelligent lamp for general night lighting. An opto transistor monitors the light intensity and a PIC measures it. When the ligt intensity decrases suddenly, the PIC turns on the LED reflector by a FET. The PIC measures the time and turns off the LED reflector five minutes later. The on and the off brightness is opearated by dimmer, so it does not dazzle the eyes. The user can start and stop this process manually by pressed pushbutton. The user can set a constat brightness by press pushbutton and hold down.

Oct 18,2017
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