In this video we will use the mfrc522 RFID card reader as a safe vault. We will use servo motors as the locking mechanism. Keys can be added as many as your desire. You can even attach this circuit to a door , cupboard or a locker.
Click here to download the arduino code:-
https://drive.google.com/open?id=0B8d...
Click here to download the schematics:-
https://drive.google.com/open?id=0B8d...
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