PN532 NFC RFID Reader Writer Module V0.0.1 - I2C/SPI/HSU Interface
The PN532 NFC RFID Reader Writer Module V0.0.1 is a highly integrated 13.56 MHz contactless communication module, compatible with Arduino, Raspberry Pi, and other microcontrollers. It supports I2C, SPI, and HSU (High-Speed UART) host interfaces and functions as an RFID reader/writer, ISO 14443-A card emulator, and NFC peer-to-peer device.
Features
- Multi-Interface Support: Easily switch between I2C, SPI, and HSU (High-Speed UART) modes via onboard SMD toggle switch.
- Extended Read Range: Features a built-in PCB antenna for a communication distance of 5cm to 7cm.
- Integrated Level Shifter: Provides standard 5V TTL compatibility for I2C and UART, with 3.3V TTL for SPI, ensuring safe operation with 3.3V and 5V logic systems.
- Versatile NFC/RFID Operation: Functions as an ISO 14443-A RFID reader/writer, card emulator, and supports NFC communication with Android smartphones.
- Compact Form Factor: Module dimensions of 42.7mm x 40.4mm x 4mm for easy integration into projects and enclosures.
Out of stock
The PN532 module is built around the NXP Semiconductors PN532 NFC controller, which integrates an 80C51 microcontroller core, 40 KB ROM, and 1 KB RAM. It handles all modulation, demodulation, and protocol management for 13.56 MHz contactless communication, simplifying integration for developers. The module’s firmware supports multiple operating modes, allowing it to read and write RFID tags, emulate a card, and engage in NFC data exchange.
Its onboard level-shifting circuitry is a key feature, protecting the sensitive controller while providing flexible voltage compatibility. The I2C and UART interfaces accept a wide 3.3V to 5V TTL range, while the SPI interface is fixed at 3.3V TTL with series resistors for signal integrity. This makes it directly compatible with popular development platforms like Arduino (5V) and Raspberry Pi/ESP32 (3.3V) without external adapters.
Additional Information
| Weight | 0.05 kg |
|---|---|
| Dimensions | 4.27 × 4.04 × 0.4 cm |














