Grove – NFC(PN532): Contactless communication, I2C/UART

Description

Grove – NFC built around PN532 module Contactless communication at 13.56MHz. Support ISO14443 Type A and Type B protocols and I2C or UART communication protocols.

Features

• Detection of long-distance: Max operating distance for detecting NFC tags is 28mm depending on the current antenna size
• The radio frequency of 13.56Mhz: Serve for contactless communication at 13.56MHz
• Support ISO14441 protocols: Support ISO14443 Type A and Type B protocols
• I2C/UART interface conversion: Support host interface: I2C, UART(default)
• Grove compatible interface: The product ensures “Plug and Play” and could be versatile for various applications of Grove

Description

Near Field Communication (NFC) is a set of short-range wireless technologies. It’s behind daily applications such as access control system and mobile payment system. 

Grove NFC features a highly integrated transceiver module PN532 which handles contactless communication at 13.56MHz. You can read and write a 13.56MHz tag with this module or implement point to point data exchange with two NFCs. Grove NFC is designed to use I2C or UART communication protocols, and UART is the default mode. In addition, we assign an independent PCB antenna which can easily stretch out of any enclosure you use, leaving more room for you to design the exterior of your project.

We have developed more than 400 Grove modules, covering a wide range of applications that can fulfil various needs. Click to explore the Grove Sensor family and get started to Grove your Idea. For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface – Getting Started and Introduction to Grove before your use of the product.

Application

• Access control system
• Electric business card
• IC card
• Smart Home
• Electric toys
• IoT systems
• NFC pay

Specification

Hardware Overview

The default setting is UART, if you need to change it into I2C, then you should do some soldering at first.

• Cut following connections:
  • TP1 to UART
  • TP2 to RX
  • TP3 to TX

• Solder following connections:
  • TP1 to I2C
  • TP2 to SCL
  • TP3 to SDA

Part List