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 ...

The benefits of RFID item-level tagging are now common knowledge in the apparel industry, primarily for quick and accurate inventory taking, replacing what could take a whole team a day or two ...

In the previous article, “The principles of RFID: Active Tags,” we discussed a classification of RFID tag called the active tag. Even though the active tag has many applications, it does not get as ...