RFID seems to have invaded every part of our lives. Sure, the technology has been primarily used in government and industry, but that doesn’t mean that it doesn’t have consumer applications. Recently, ...

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 ...

It is hard to label any component of an RFID system as being more critical than any of the others. In past articles we have discussed the RFID tag, as well as, the RFID antenna hardware. Both of these ...