Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The CTF page lists Electronic among the 2019 challenge categories, alongside Cloud, SDR, Web, and other challenge types.
Badge context
Official CTF page for 2019 challenge categories including Electronic, Cloud, SDR, and Web; no badge firmware or schematic archive is linked there.
Official Hackfest source for the 2019 pre-pandemic record edition, 1600-participant Plaza context, and CTF electronic-badge introduction.
Official Hackfest 11 schedule source for badge pickup, October 31 opening night, November 1-2 talks, CTF registration, village activity, workshops, party, and closing.
Source trail
Official schedule source for Hackfest 11, badge pickup on October 31, November 1, and November 2, CTF registration and CTF room timing, villages, workshops, party, and closing.
Official CTF source for the 2019 challenge category mix, including Electronic, while leaving firmware, schematic, and badge challenge implementation details unrecovered.
Primary official source for Hackfest's 2019 CTF electronic-badge introduction, immediate participant reception, record 1600-person Plaza edition, and later pandemic-era continuity context.