Add-on dossier

ATxmega128A4U controller core

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

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badge controller

The project bill of materials names an Atmel ATxmega128A4U microcontroller as the badge's controller.

Badge
DerbyCon 7.0 Legacy Black Badge
Type
badge controller
Status
source-backed
Compatibility
DerbyCon 7.0 Legacy Black Badge
Source
https://www.hackster.io/blenster/derbycon-legacy-black-badge-ca2917

Badge context

Related Resources

Source trail

Evidence Sources

Hackster / Ben Hibben · retrieved 2026-05-15

DerbyCon Legacy Black Badge

Primary first-hand source proving the DerbyCon Legacy Black Badge artifact, black-badge lifetime-ticket framing, Ben Hibben and Charles Lehman maker context, BOM, fabrication steps, and compiled firmware artifact.

Badge: DerbyCon 7.0 Legacy Black Badge