TiLDA
EMF 2012 radio-enabled badge
The first EMF electronic badge, designed around wireless communication, Arduino-style hacking, and camp game mechanics.
Year
Hacker conference badges documented for 2012, sorted by country.
EMF 2012 radio-enabled badge
The first EMF electronic badge, designed around wireless communication, Arduino-style hacking, and camp game mechanics.
Propeller multicore IR puzzle and development badge
A Ryan Clarke-designed DEF CON 20 electronic badge manufactured by Parallax around the Propeller P8X32A multicore processor, infrared badge-to-badge communication, eight LEDs, USB programming, many physical variants, and a crypto/social badge challenge.
HackRVA MSP430 badge with Nokia LCD and source archive
The RVAsec 2012 badge is documented by HackRVA's public `rvasec-badge-2012` repository, which preserves Eagle board and schematic files, Gerbers, graphics, component datasheets, and release firmware for a badge built around an MSP430-class controller and Nokia 5110 / PCD8544 LCD behavior.
USB-controlled sub-1 GHz RF badge
The ToorCon 14 badge was an open-source sub-1 GHz wireless-transceiver badge from Great Scott Gadgets, controlled over USB from a computer and shipped with atlas's RfCat firmware plus CC Bootloader.