There are many ways to lock a door. You could use a keypad, an RFID card, a fingerprint or retina scan, Wi-Fi, Bluetooth, the list goes on. You could even use a regular old metal key. But none of t… ...

An RFID reader and Arduino run the system, with a button inside to unlock the door. But if power were to fail, you will still be able to get in or out manually.

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 ...