Abstract:
DidyoueverthinkthathowthestreetlightsautomaticallyturnON
inthenightandturnOFFautomaticallyatmorning?Isthereany
personwhocomestoON/OFFtheselights?Thereareseveral
waystoturnonthestreetlightsbutthefollowingcircuitdescribes
an AutomaticStreetLightControllerCircuitthatusesLDRand
Relaytoperform thisjobautomatically.
The circuit employed here is an uncomplicated light/dark
activatedswitchandcontainsarelayatitsoutput,whichsimply
turnsON/OFFastreetlightandfurthercanbeextendedtocontrol
anyelectricalapplianceinahousehold.
Manypeoplehaveaphobiaofdarkness,sotoassistthem insuch
situations, we have explained a simple circuit that will
automaticallyturnonthestreetlightconsistingofLEDsorbulb
coupledwithrelay.Itislitwellenoughtoseetheobjectsnearby.
Thiscircuitisveryeasytoworkaroundandalsoitisbattery
operated.Thepowerconsumedbythecircuitisverylowbecause
oftheveryfewcomponentsusedinthecircuit