rfiddler
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Rfiddler zapper kills RFID tags dead, the hard way
Sure, there may be a number of relatively easy ways to destroy or disable an RFID tag (tossing it in the microwave, for instance), but where's the fun in that? There are plenty of good times to be had with this so-called "Rfiddler" built by Codeninja though, which disables tags (and potentially anything else in its sights) by emitting a strong electromagnetic field -- not to mention some sounds that will cause anyone standing in its vicinity to take a few big steps back. Head on past the break for a video, and hit up the link below for the complete parts list if you're interested in building your own.
