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This is a simple password based door locking system circuit designed using 8051 microcontroller. It provides control to the actuating the load. It is a simple embedded system with input from the ...

Remove the deadbolt lock. Use a screwdriver to take out the screws on the inside of the door. Check your user manual for the required dimensions, and if necessary, use a hole saw to cut the ...

Electronic and Arduino enthusiasts searching for an Arduino project to keep them busy this weekend may be interested in a new Arduino Mega fingerprint door lock. Using a little Arduino programming the ...