The use of Radio Frequency IDentification (RFID) technologies is growing. Many different applications are implemented in various sectors, and used for very different purposes. RFID enables wireless ...

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 ...

As vehicle access-control systems utilizing UHF RFID are gaining traction among gated communities, parking lots and other controlled areas, the cost has still been challenging. Readers deployed at ...