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@pingswept
pingswept / card-reader.pde
Created March 19, 2014 19:26
Code to read UID from Charlie Card using Adafruit PN532 NFC shield
/**************************************************************************/
// Based on code from Adafruit's PN532 NFC shield example
// BSD license
/**************************************************************************/
#include <Wire.h>
#include <Adafruit_NFCShield_I2C.h>
#define IRQ (2)