In this, we have used the components given below, if you want to buy these components, then there is a link with the name of the components, you can buy from that link -
LED Light - https://amzn.to/3jtozW1
12v Relay - https://amzn.to/3mQHoVa
9v Battery - https://amzn.to/3zsBCfU
Switch - https://amzn.to/3ksv0bc
100k Resistor - https://amzn.to/3gSssSH
LDR - https://amzn.to/3mGnrQR
BC547 Transistor - https://amzn.to/3gH60vM
Circuit Diagram -
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