•The NFC controller it’s an PN544 (labeled as 44701) manufactured by NXP Semiconductors. It supports read/write of ISO 14443–A, 14443-B, MIFARE, FeliCa and NFC Forum tags, and it can emulate such devices. There’s a good chance it’s already hooked up into the I2C bus, so it might be “hacked” and be used for something else than just reading TOHs