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Remote Door Lock



Using this circuit, you can easily make strong passwords and door lockers at your own home. For this you need one TX and one RX. An IR LED is needed to build the circuit. An IR sensor is required. 220 and 330 ohms resistor, BC557 PNP transistor need to be required. For more information, see the link and video below.


TX Circuit:


RX Circuit:


Video:



Download Code:

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