Parts - MFRC522 MIFARE Compatible RFID read/write module

Specifications

• MIFARE compatible
• ISO14443A RFID / 13.56MHz
• Comes with 1x keyfob and 1x card
• 3.3v SPI interface

Resources

• Arduino Library
•  Chip Datasheet
• Cards/Fobs contain serial numbers as well as readable/writiable encrypted data storage