However.. I have now been seeing something called NFC RFID (Near Field Communication) modules (ebay, Adafruit..etc)Like this one:http://www.ebay.com/itm/PN532-NFC-RFID-module-kits-Arduino-compatible-ISO14443-Mifare-1k-4k-/190774279870?pt=UK_Sound_Vision_Other&hash=item2c6b087ebefrom reading on.. this looks to be an I2C device/protocol used..(I have yet to play with I2C as I dont have any I2C devices.... so this leaves me with even less experience on the difference?)Are these NFC both readable & writable? (If ebay descriptions are to be believed..I guess yes then)thanks!
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