NFC is different from RFID.  It’s way for two devices to communicate when in close proximity.  NFC readers can also read RFID cards.

- [PN532 NFC/RFID card](https://www.adafruit.com/product/364)
- [GitHub - adafruit/Adafruit-PN532: Arduino library for SPI and I2C access to the PN532 RFID/Near Field Communication chip](https://github.com/adafruit/Adafruit-PN532/tree/master)