An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

RFID hacking has been around for years, but so far all the builds to sniff data out of someone’s wallet have been too large, too small a range, or were much too complicated for a random Joe to build ...

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 ...