## NFC library for Arduino
  
  This is an Arduino library for PN532 to use NFC technology.
  It works with
  
  + [NFC Shield](http://goo.gl/Cac2OH)
  + [Xadow NFC](http://goo.gl/qBZMt0)
  + [PN532 NFC/RFID controller breakout board](http://goo.gl/tby9Sw)
  
  ### Features
  + Support I2C, SPI and HSU of PN532
  + Read/write Mifare Classic Card
  + Works with [Don's NDEF Library](http://goo.gl/jDjsXl)
  + Support Peer to Peer communication(exchange data with android 4.0+)
  + Support [mbed platform](http://goo.gl/kGPovZ)
  
  ### Getting Started
  1. Download [zip file](http://goo.gl/F6beRM) and 
  extract the 4 folders(PN532, PN532_SPI, PN532_I2C and PN532_HSU) into Arduino's libraries.
  2. Downlaod [Don's NDEF library](http://goo.gl/ewxeAe) and extract it intro Arduino's libraries.
  3. Follow the examples of the two libraries.
  
  ### To do
  + Card emulation
  
  ### Contribution
  It's based on [Adafruit_NFCShield_I2C](http://goo.gl/pk3FdB). 
  [Seeed Studio](http://goo.gl/zh1iQh) adds SPI interface and peer to peer communication support. 
  @Don writes the [NDEF library](http://goo.gl/jDjsXl) to make it more easy to use. 
  @JiapengLi adds HSU interface.