This shield allows your Arduino to control a door lock using an electric strike plate and one of a number of commonly available RFID modules. Based on a project in the book Practical Arduino, which includes extensive documentation. Example source code online.

Features:

- Supported readers include ID12, ID20, RDM630, RDM880, and HF MultiTag
- Onboard voltage regulator to power your Arduino
- Manual activation button connection
- Blue Arduino power on LED
- Green External power supply on LED
- Red Strike plate activated LED