Issue dossier

Accelerometer and 2.4 GHz RF support was fully designed but unpopulated on the badge circuit board.

A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.

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unpopulated expansion caveat · primary designer source · documented

The catalogue records the expansion footprints as a design surface without implying that every attendee badge shipped with populated motion or RF hardware.

Badge
DEF CON 15 Badge
Category
unpopulated expansion caveat
Severity
note
Confidence
primary designer source
Status
documented
Timeframe
2007 production badge
Source note
Grand Idea Studio DEFCON 15 badge project page.

Evidence

Related Resources

project page

DEFCON 15 badge project page

Primary designer page with MC9S08QG8, LED matrix, capacitive sensor, optional accelerometer/RF, production, role variant, operating-state, contest, and documentation details.

Badge: DEF CON 15 Badge

Source trail

Evidence Sources

Grand Idea Studio · retrieved 2026-05-15

DEFCON 15 Badge

Primary source for MC9S08QG8 hardware, 95-LED matrix, capacitive sensors, optional accelerometer/RF circuitry, operating states, 6,800-badge production, role variants, and contest winners.

Badge: DEF CON 15 Badge