I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

This article was originally published by RFID Update. August 12, 2008—The new USB Stick from iDTRONIC Electronic Identification gives any device with a USB port, including laptops, PCs and printers, ...