An Arduino, a spent roll of toilet ... That may or may not be as easy as using a separate tag reader. We’ve seen some very simple RFID tag concepts. What we want is a DIY reader that is easy ...

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!

RFID tags work by bouncing back certain frequencies. If you wanted to devise a method to track movement using multiple RFID tags, the simplest way would be to track backscatter using multiple ...