Office Cabinet RFID Door Lock

This RFID door lock was designed to allow the use of the original key on top of the RFID feature (in case that something goes wrong with the electronics or the power is down.

You can see how it works here:
https://www.youtube.com/watch?v=QLC7N4OUQOQ

The Mechanical Assembly is here:
https://www.youtube.com/watch?v=gzQdfWE11FI
(it's in hebrew but you can understan what i'm doing)

and the arduino source code is here:
https://drive.google.com/file/d/0B5SVKmYFxuGrTzBxR1pULUxoQms/vie