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PN532 NFC HAT for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero W - I2C / SPI/UART Interface, Supports Various NFC/RFID Cards sold2024 912 led bulb red canPN532 NFC HAT for Raspberry Pi 4B 3B+ 3B 2B Zero Zero W I2C SPI UART Interface, Supports Various NFC RFID Cards Overview This is a Raspberry Pi NFC HAT based on PN532 operating in the 13. 56MHz frequency range. It supports three communication interfaces: I2C, SPI, and UART. NFC (Near Field Communication) is a wireless technology allows contactless point to point data communication between devices within a short distance of 10 cm. It is widely used in