Adafruit PN532 NFC/RFID Controller Shield for Arduino + ExtrasThe Adafruit NFC RFID PN532 Shield is a powerful tool for 13. 56MHz NFC and RFID applications, designed to work with a wide range of tags and devices. Built around the popular PN532 chipsetthe same one embedded in many phones and NFC devicesthis shield can read and write to tags and cards, communicate with phones for tasks like payment processing, and even act as an NFC tag itself. While the current Arduino library only supports reading and writing