Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The 36C3 badge intentionally shipped without a controller so attendees could attach Arduinos, FPGAs, Feather boards, or other battery-powered controller choices.
Badge context
Official archived 36C3 wiki source for event context, Leipzig setting, and annual four-day CCC congress framing.
Project-owner announcement for the unofficial 36C3 badge kit, bringing kits to Congress, and the bring-your-own-controller blinky-badge goal.
Project-owner source for PCB kit contents, eight WS2812B LEDs, prototyping area, VCC/data/GND pads, and CircuitPython example.
Source trail
Official event source for 36C3 as the 2019 annual four-day CCC congress in Leipzig.
Primary project-owner announcement for the unofficial 36C3 badge, kits at Congress, and open controller experimentation.
Primary project-owner technical source for the kit contents, WS2812B LED string, controller pads, Adafruit Feather M4 mounting example, and CircuitPython NeoPixel snippet.