A U.K. firm has developed an on/off “switch” for RFID cards that could protect cardholders from being hacked. The cardholder activates the RFID transmission by squeezing the card between his thumb and ...

Researchers are working on an on/off switch for the next generation of credit cards. No, not to stop you from spending money you shouldn’t, but to help protect you from theft and fraud. Credit cards ...

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 ...

An Arduino, a spent roll of toilet paper, magnet wire, and a few passive components are what’s needed to build this RFID spoofer. It’s quick, dirty, and best of all, simple. However, [SketchSk3tch’s] ...

Electronics developer and Kickstarter serial entrepreneur Patrick Thomas Mitchell who we have featured numerous times here on Geeky Gadgets has once again taken to the crowdfunding website with the ...

A cool RFID music table has been created using Arduino, iPod, and RFID tags to make it easy to change albums by simply changing the RFID tag. Each RFID tag has an individual code number relating to ...