Description Waveshare PN532 NFC HAT is a compact Raspberry Pi NFC HAT for NFC reader writer projects, tag interaction, and dependable access control. This Waveshare board brings 13.56MHz NFC to Raspberry Pi through I2C, SPI, and UART, making the PN532 NFC HAT a practical choice for contactless card reading, smart attendance, and embedded identification tasks. The Waveshare PN532 NFC HAT is especially useful when you need a flexible Raspberry Pi NFC HAT that can work as an NFC reader writer. Because the PN532 NFC HAT supports MIFARE, NTAG2xx, and other compatible cards, this Waveshare design fits access control, pairing workflows, tag testing, controller demos, and lightweight contactless interfaces. Features Waveshare PN532 NFC HAT based on the PN532 NFC controller. Raspberry Pi NFC HAT with standard Raspberry Pi 40PIN GPIO header. NFC reader writer support for MIFARE, NTAG2xx, and other compatible NFC / RFID cards. Selectable I2C, SPI, and UART interfaces through onboard switches and jumpers. Strong fit for access control, smart ticketing, ID recognition, and embedded NFC development. Breakout control pins support STM32, Arduino, and other host boards. Specifications Item Details Brand Waveshare Model PN532 NFC HAT Board Type Raspberry Pi NFC HAT Main Controller PN532 Operating Frequency 13.56 MHz Operating Voltage 3.3V / 5V Interfaces I2C / SPI / UART Baud Rate 115200 bps default Typical Role NFC reader writer Applications Access control panels and contactless identification systems. Raspberry Pi NFC HAT projects for card and tag reading. NFC reader writer workflows for MIFARE and NTAG testing. Waveshare PN532 projects for pairing, sharing, attendance, and embedded NFC logic. Educational use of I2C, SPI, and UART with a Raspberry Pi NFC HAT. Product List PN532 NFC HAT x1 MIFARE Classic 1K Card x1 Other Content Waveshare PN532 NFC HAT dimensions for compact Raspberry Pi NFC HAT integration. Included card for NFC reader writer testing and access control demos. Resources Waveshare PN532 NFC HAT Wiki PN532 Datasheet Waveshare Example Repository FAQ What is this Waveshare board for?The Waveshare PN532 NFC HAT is for NFC reader writer tasks, contactless card reading, and access control. Which interfaces does the PN532 NFC HAT support?The PN532 NFC HAT supports I2C, SPI, and UART. Can this Raspberry Pi NFC HAT be used for access control?Yes. A common use of the Raspberry Pi NFC HAT is access control and identification. Which cards work with the Waveshare PN532 NFC HAT?The Waveshare PN532 NFC HAT supports MIFARE, NTAG2xx, and other compatible NFC / RFID cards.