EDN

Arduino RFID Reader RC522 + Access Control System

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...
The Verge

Arduino Internet Gizmo brings bookmarks into the real world with RFID tagging

Instructables user talk2bruce created the Arduino Internet Gizmo, a card reader that takes you to your favorite websites with a touch of an RFID tag. Instructables user talk2bruce created the Arduino ...
Lifehacker

Hack a Door to Open Via RFID

If your home or office has unique security challenges or you just want the geek cred you assemble a system to open a door via an RFID signal. At around $100 the parts aren't expensive, but in addition ...
Engadget

Doh uses RFID and Arduino to help you remember your wallet, continues search for the 'Any Key'

If you can dream it, Arduino can help you build it -- perhaps with a dash of MakerBot thrown in for good measure. The latest homebrew project to hit the ol' inbox sounds an alarm whenever you leave a ...