Add-on dossier

Event Generator Ghoul

A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.

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DEF CON 14 Badge historical

hardware hack

The winning contest entry connected badge LED behavior through a stereo plug into an analog synthesizer as event generators and added piezo debug output.

Badge
DEF CON 14 Badge
Type
hardware hack
Status
historical
Compatibility
DEF CON 14 Badge
Source
https://grandideastudio.com/portfolio/other/defcon-14-badge/

Badge context

Related Resources

Source trail

Evidence Sources

Flickr · retrieved 2026-05-15

DefCon 14 2006

CC BY-NC 2.0 original photo source by Eliot Phillips / RobotSkirts showing the DEF CON 14 badge; used for image provenance, not as a hardware-spec source.

Badge: DEF CON 14 Badge

Grand Idea Studio · retrieved 2026-05-15

DEFCON 14 Badge

Primary source for first-DEF CON-electronic-badge claim, PIC10F202 hardware, LED modes, production quantity, role-color variants, and contest lore.

Badge: DEF CON 14 Badge