ARDNF-053201 - NFC SHIELD BASED ON PN532 NXP 13.56M 2CM SPI SUPPORT P2PNFC PN532 Shield NFC(Near Field Communication) PN532 is a set of standards for smartphones and similar devices to establish radio communication with each other by touching them together or bringing them into close proximity it builds upon RFID systems by allowing twoway communication between endpoints. Compared with the Bluetoothcompatible which is also shortrange communication technology NFC operates at slower speeds but consumes far less power and