Utilities written for RC522 RFID reader/writer. This library lets you:
- Read and write to a Mifare RFID tag easily
- Format a new Mifare RFID tag to NDEF format
- Get key A and key B of an unknown RFID tag
This library is based on the Arduino RFID library for MFRC522 (https://github.com/miguelbalboa/rfid)