The circuit above is an light sensitive automatic switch which functions in absence of light. The IC 4060 works as an oscillator and the generated signal is applied to the base of T4 transistor.
Auto Night Lamp Using High Power LEDs is a circuit which turns ON the LED lights interfaced to it at night time and it turns OFF the lights automatically when it is day. Auto Night Lamp Using High ...
Koito Manufacturing has patented a multi-function vehicle lamp featuring multiple light emitting diodes. The design includes a switch that halts current to the tail input when the turn input is ...
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