Add-on dossier
Bonus track build
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
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Kernelcon badge site · retrieved 2026-05-15
Primary source for Raspberry Pi Pico, TM1637, seven-segment display, three AAA power, seven RGB LEDs, buzzer, racing modes, achievements, high scores, CTF flags, and credits.
Badge: Kernelcon 2025 Race Condition Badge
Kernelcon badge site · retrieved 2026-05-15
Primary activity source for bonus-track build, soldering, standoffs, headers, jumper tracing, detect pad, and badge detection.
Badge: Kernelcon 2025 Race Condition Badge