Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
A community Arduino nofrendo port ran NES games on the Fri3D 2022 badge with display output, buzzer audio, ROM loading from SPIFFS, and a documented START-button workaround.
Badge context
Espressif coverage of the badge and camp context.
Project page for the 2022 badge.
Espressif article preserving links to software, hardware, GameOn, and Time Blaster resources.
Community Arduino nofrendo port for the Fri3D Camp 2022 badge, documenting display, buzzer audio, SPIFFS ROM loading, and button limitations.
Source trail
Secondary but official supplier context for the 2022 badge and Fri3d camp.
Source for the Fri3D Camp 2022 NES emulator port, working display/audio/SPIFFS notes, and incomplete button mapping caveat.
Primary project-page source for 2022 badge hardware.