Skip to Content
  1. All products
  2. 🧠 Controllers & Systems
  3. 📡 Sensors & Modules
  4. PN532 NFC V3 Kit with SPI/I2C/UART for Arduino & Pi
  5. 📡 Sensors & Modules
Pricelist: Retail Price (B2C) Pricelist
Pricelist: Retail Price (B2C) Pricelist
PN532 NFC V3 Kit with SPI/I2C/UART for Arduino & Pi

PN532 NFC V3 Kit with SPI/I2C/UART for Arduino & Pi

(0 review)
ParameterDetailed Specification
Main ChipNXP PN532
Operating Voltage3.3V to 5V DC
Frequency13.56MHz (NFC/RFID)
Communication ModesI2C, SPI, and High-Speed UART (HSU)
Max Operating Distance50mm to 70mm (Depends on antenna/tag)
Supported TagsMifare 1k, 4k, Ultralight, Desfire, ISO/IEC 14443-4
RFID CompatibilityISO/IEC 14443A/MIFARE
PCB Dimensions43mm x 41mm
Price
₹ 266.95 ₹ 266.95
(Tax included)

Product Description

The PN532 V3 Module is engineered for maximum flexibility in embedded development. Unlike simpler modules, it features an on-board Level Shifter, allowing it to interface directly with 5V microcontrollers like the Arduino Uno or 3.3V systems like the Raspberry Pi and ESP32. The "V3" version includes an optimized PCB antenna that provides a stable, longer-range reading field. With its triple-interface support, users can choose between the high speed of SPI, the simplicity of I2C, or the long-distance capability of UART depending on their specific project constraints.

Key Features

  • Triple Interface Support: Features a small DIP switch on the board to easily toggle between SPI, I2C, and UART modes.

  • Smartphone Compatibility: Fully supports NFCIP-1 protocols, allowing the module to talk directly to NFC-enabled Android and iOS devices.

  • Built-in Level Shifter: Safely bridges the gap between different logic voltages without requiring external components.

  • Compact Integration: The small 43mm x 40mm footprint is designed to fit inside modern wall-mount enclosures or handheld devices.

  • High-Speed Transfers: Supports 424kbps and 848kbps transmission speeds for rapid data exchange in Peer-to-Peer mode.

Technical Details

  • Chipset: NXP PN532 with integrated 8051 microcontroller core.

  • Antenna: High-performance integrated PCB trace antenna.

  • Expansion: Includes GPIO pins that can be controlled via the host microcontroller.

Prototyping and Engineering Tips from Robogears

  • Selecting the Protocol: If you are just starting, use I2C (SDA/SCL pins). It only requires 2 wires and has the most extensive library support (like the Adafruit_PN532 library). If you need the fastest possible data transfer for large memory tags, switch to SPI.

  • The DIP Switch Rule: Always set the small on-board DIP switches before powering up the module. Changing the switches while the board is on will not change the communication mode and may lead to "Device Not Found" errors in your code.

  • Android/iOS Interaction: To trigger an action on a smartphone, use the NDEF (NFC Data Exchange Format). You can program the PN532 to write a "URL Record" to a tag; when a phone taps that tag, it will automatically open a specific website or app without needing a custom app installed.

  • Libnfc Support: This module is fully compatible with Libnfc on Linux/Raspberry Pi. This allows you to use the module as a standard NFC reader for your computer, enabling advanced features like card cloning or security auditing.

Package Includes

  • 1 x PN532 NFC RFID Module V3

  • 1 x 4-Pin I2C/UART Cable

  • 1 x Clear Plastic S50 RFID Card

  • 1 x S50 Keychain RFID Tag

  • 1 x Set of Header Pins

Disclaimer

Ensure you verify your wiring before applying power. While the module is 5V tolerant, constant exposure to unregulated high-voltage spikes can degrade the NXP chip over time.