In the video after the break it looks like he’s using a DIY RFID reader to test this. If the two were combined, cutting out the need for a computer, he would have an RFID spoofer on his hands.

Rather than having to use something expensive and complicated such as an oscilloscope, experimenters can simply plug their DIY RFID sniffer into their computer’s line-in jack and explore the ...

This device uses a board with an RFID IC to store power from the reader's magnetic field The board displays temperature readings on a smartphone when held close. What kind of stuff do you think ...