How to Make Private Remote Control Door Lock System

In this, we havIn 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 -e 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 -

• 12v Relay - https://amzn.to/3mQHoVa

• 10k Resistor - https://amzn.to/3F1Cf3w

• 3v Mini Battery - https://amzn.to/3IvGqGA

• BC547 Transistor - https://amzn.to/2VPUF5s

• 12v Solenoid Lock - https://amzn.to/3xWy1J7

• IR LED + Photo Diode - https://amzn.to/3PfMoxv

This is its circuit diagram -

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