Add-on dossier

Propeller 1 badge puzzle platform

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 22 Badge historical

event challenge

The badge was a required tool for DEF CON's largest contest, connecting cryptology, social engineering, programming, and attendee interaction to the official entry badge.

Badge
DEF CON 22 Badge
Type
event challenge
Status
historical
Compatibility
DEF CON 22 Badge
Source
https://www.parallax.com/defcon-22-conference-badge/

Badge context

Related Resources

event page

DEF CON 22 event archive

Official DEF CON archive source for August 7-10, 2014 Rio Hotel & Casino event context, DEF CON 22 badge news, C-style code release, and badge-hacking-file torrent.

Badge: DEF CON 22 Badge

project retrospective

DEFCON 22 Conference Badge

Parallax source for Propeller 1 hardware, IR, touch pads, LEDs, USB programming circuit, exposed I/O, 13 badge styles, 14,000-board production, and named concept contributors.

Badge: DEF CON 22 Badge

software and hardware archive

Parallax badge downloads

Parallax download archive preserving Hackable Electronic Badge product guide, schematic, BadgeHacker customization tooling, Propeller Spin/C examples, and design files for the related badge platform.

Badge: DEF CON 22 Badge

Source trail

Evidence Sources

DEF CON · retrieved 2026-05-15

DEF CON 22 Hacking Conference

Official event archive source for dates, venue, badge-code release note, badge-hacking-file torrent, and Hardware Hacking Village context.

Badge: DEF CON 22 Badge

Parallax · retrieved 2026-05-15

Badge Downloads & Software

Primary Parallax archive source for supported badge software, schematics, product guide, C/Spin examples, BadgeHacker tooling, and design files for the related hackable electronic badge platform.

Badge: DEF CON 22 Badge

Parallax · retrieved 2026-05-15

DEFCON 22 Conference Badge

Primary supplier/designer source for Propeller 1, IR transmit/receive, touch-pad buttons, LEDs, USB programming, exposed I/O, 13 badge styles, 14,000 assembled PCBs, contributor names, and contest role.

Badge: DEF CON 22 Badge