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 ...

RFID card transactions, at least in Europe, don’t require anything except putting the card on the reader. Honestly though, the limit on my card is £20 in a single transaction and £50 total ...

What you need is an RFID tag that unlocks your PC when you touch the reader with your RFID card. ... Code is simple, based on the existing Arduino RC522 library.

Makers, developers and hobbyists looking for a quick way to program RFID cards might be interested in a new Arduino compatible RFID reader development board called the RFID123 which has been ...

The card reader can be used two further enhance both Arduino and Raspberry Pi projects and is now available from just C$21 or roughly £13 with worldwide delivery expected to take place during ...