Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
Remaining GPIO pins were broken out, and a separate development board was available at the Hardware Hacking Village for extra components or functions.
Badge context
Badge-maker organization context for the CactusCon 11 badge record.
Badge Pirates source for ESP32-S2 WROOM hardware, LEDs, buttons, optional OLED, GPIO, CH340N USB serial, wireless firmware behavior, production notes, and image-rights boundary.
InfoconDB source for dates, Mesa Convention Center location, free general admission, and schedule metadata.
Official event source for the January 27-28, 2023 Mesa Convention Center CactusCon 11 context.
Source trail
Badge-maker technical source for the ESP32-S2 WROOM controller, Wi-Fi, LED/button/OLED/GPIO surfaces, CH340N serial path, wireless firmware behavior, PCBWay production, and supply-chain caveat.
Official event source for the Mesa Convention Center edition, dates, in-person/streaming framing, and CactusCon Kids context.
Event metadata corroboration for CactusCon 11 dates, venue, and official page links.