Overview: .elechouse.
PN532 NFC RFID Module User Guide
Version 3
Introduction
NFC is a popular technology in recent years. We often heard this word while smart phone pany such as Samsung or HTC introduces their latest high-end phones. Almost all the high-end phones in the market support NFC. Near field munication (NFC) is a set of standards for smartphones and similar devices to establish radio munication with each other by touching them together or bringing them into close proximity, usually no more than a few centimeters. For electronics geeks, we also want to use NFC technology to make our own things. So we build this NFC RFID module. This module is built around NXP PN532. NXP PN532 is very popular in NFC area. And the pany offers much technology document to help developers. We developed this module based on the official document. To make things easier, we also build library for this module. We almost break out all the IO pins of NXP532 on this module. Users could easily connect and play. With our Arduino Sensor Shield , it is very easy to plug and play. However, if users want to use other interface such as UART or SPI, this module also makes it easy to connect those pins. .elechouse.
We have updated this module to version 3. pared with V2, V3 have the following improvement: 1. Smaller: the size now is as small as 42.7mm*40.4mm*4mm 2. Easy to change mode: with a small SMD toggle Switch, it bees very easy to change among IIC, SPI and HSU modes 3. Longer distance: the reading distance bees 5~7cm, pared with 4~6 cm of last version 4.
