Street Light Control Realy based on Microcontroller with LDR
Did you ever think that how the street lights automatically turn ON in the night and turn OFF automatically at morning? Is there any person who comes to ON/OFF these lights? The following circuit that described below which perform this job automatically. This circuit employed the output from an uncomplicated light/dark activated circuit and oblige a relay in its output which can be further attached to switch ON/OFF a street light and electrical application in a household also.
This Circuit is Microcontroller based as it can be adjusted Intensity of Light so we can vary as per Sun Timings and the relay will have Hystresis Time ,