A cool RFID ... use RFID tags to trigger audio guides, or in retail environments where customers can scan tags to hear product information or promotional messages. The flexibility of the Arduino ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader ... buzzer and the relay will not be activated. We might as well use a good RFID tag to ...

the system is configured to compare the unique id (of the tag we used) with the ID of any tag being exhibited. Remove the existing connection and upload this new sketch to Arduino: /* Arduino Simple ...

The Arduino acts as the brains of the operation while an off-the-shelf NFC/RFID reader module is used to read the RFID tags ... plans to use it to control his garage door. The system also has ...

An Arduino Nano controls ... While his goal to use an NFC ring is admirable, one of our readers took it a step further a few years ago, and starts his car with a RFID tag implanted in his hand!