Cooking Hacks – Documentation – RFID/NFC 13.56 MHz shield for Raspberry Pi tutorial http://www.cooking-hacks.com/index.php/documentation/tutorials/rfid-13-56-mhz-nfc-module-for-raspberry-pi
Near Field Communication – NFC auf Android-Hilfe.de http://www.android-hilfe.de/near-field-communication-nfc/ 48.51043569.0593543