Roll Your Own RFID Tags

Beth’s prototype design, here, uses 100 turns of AWG 40 magnet wire, an ATtiny85 integrated circuit, a couple of surface-mount capacitors, and a duct-tape substrate sealed under a layer of clear packing tape. She reports that “the read range is practically indistinguishable from a mass-produced RFID card.” [via adafruit]


I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

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