I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader ... a good RFID tag to stop it but now the relay will be activated. This project is very ...

with each physically represented by a small cassette tape likeness with an RFID tag hidden in each one. A tape can be selected and placed in the player, and the Arduino at the center of it will ...

Nair explained that many schools use an RFID-based attendance system known as an iClicker to track whether ... Nair said that a clone device could be built using a low-cost Arduino electronics ...