RVAsec 2022 Badge
Pico-era firmware with LCD, IR, D-pad, rotary encoder, and simulator
HackRVA's public RVAsec 2022 repository documents badge firmware for hardware and simulator targets, with RP2040/Pico SDK build flow, LCD display, three-color LED, D-pad, IR transmit/receive, rotary encoder, UF2 flashing, CLI startup path, and app/game framework.