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 ...

While short-range LF RFID is used to track cattle and other livestock in feedlots throughout much of the world, ultra-high frequency (UHF) RFID systems can provide more detailed views into the ...