Build your own RFID reader with the http://www.elektor.es/ schematic. It works great with tag MiFare (ISO 14443). RFID writer will be here next.

****RFIDemultor by Alex G.**** How to compile the PC program: $ cd /your/folder/ $ cc -o rpv11 rpv11.c $ sudo ./rpv11 (tested with Ubuntu 8.40) How to comile the μC program: $ cd /your/folder/ $ make all