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Smart and automatic street light
1. Smart and automatic street light
Many of the people have a phobia of
darkness, so to assist them in such situation,
we have explained a simple circuit. It will
automatically turn on street light in the way of
LEDs or bulb coupled with relay.
3. Working principle
When vehicle start and it push
the Piezoelectric transducer then
emf produce that energy stored
in battery and battery connect
with photoelectric transducer
system and when light fall on it
the street light brighten