– MFRC522 connection header: This is where the MFRC522 RFID reader connects to the main board. – Program select header: Currently, only header#1 is being used in the program.

Both are based on ideas from Tonuino, an open source project aimed at turning Arduinos into MP3 players.

[Jason] really wanted to build an RFID controlled garage door opener and decided to turn to Arduino to get the job done. For someone who’s never worked with an Arduino before, he really seeme… ...

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.