Add-on dossier
megaTinyCore programming note
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
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board source
KiCad PCB source for badge artwork, reverse-mounted PLCC LED footprints, Cyber City Circuits logo footprint, and SECYC sponsor silkscreen context.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
event context
DEF CON forum source for the DEF CON 31 Youth Challenge hours, Social Engineering Community Village location, and puzzle-topic framing.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
firmware source
Arduino-style firmware source for LED group pins, mode button behavior, center LED breathing, and jigawatts animation.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
hardware and firmware archive
Public Social Engineering Community repository for the DEF CON 31 Youth Challenge Flux Decoder badge.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
hardware source
KiCad schematic source for ATtiny1614, USB-C power-only input, pushbutton, LED groups, and Cyber City Circuits title-block context.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
official lineage note
Current Social Engineering Community page documenting the Youth Challenge as a DEF CON youth program that ran through 2024 before retirement.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
project readme
Repository readme naming the SEC Youth Challenge Flux Decoder badge and linking the historical project page.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
schedule mirror
Consolidated DEF CON 31 schedule mirror corroborating the Social Engineering Community Youth Challenge listing.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
schedule mirror
Consolidated DEF CON 31 village schedule placing SECV Youth Challenge activity in the Social Engineering Village room block.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
DEF CON Forums · retrieved 2026-05-15
Official DEF CON forum source for DEF CON 31 Youth Challenge schedule, LINQ Social A village location, and challenge-category context.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
Social Engineering Community · retrieved 2026-05-15
Current official SEC page documenting the Youth Challenge as a DEF CON youth program, naming supporting staff, and recording retirement after the 2024 chapter.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
Social Engineering Community GitHub repository · retrieved 2026-05-15
Primary repository source describing the project as the Social Engineering Community Youth Challenge Flux Decoder badge for DEF CON 31 and exposing KiCad and firmware files.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
Social Engineering Community GitHub repository · retrieved 2026-05-15
Primary firmware source identifying DEFCON 2023 SEC Village context, Cyber City Circuits software authorship, LED pins, mode button, startup animation, center LED breathing, and jigawatts behavior.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge
Social Engineering Community GitHub repository · retrieved 2026-05-15
Primary hardware source for the ATtiny1614-SS microcontroller, USB-C power-only connector, pushbutton, ten LED count note, labeled LED groups, and Cyber City Circuits company title block.
Badge: SEC Youth Challenge 2023 Flux Decoder Badge