– 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.

Underneath, an Arduino Uno runs the show, hooked up to a RC522 RFID interface board. Music is handled by the DFPlayer mini, which loads tracks off a microSD card.

Posted in Arduino Hacks Tagged access control, arduino, garage door, garage door opener, NFC, reddit, rfid ← Laser Etching Brings New Life To An IBM Keyboard Samsung NX300 Gets Rooted → ...

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.