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 ...

Providers of passive ultrahigh-frequency (UHF) radio frequency identification systems often boast read rates of 99.8 percent, or a similar statistic just below 100 percent. But this simple number can ...