Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The firmware watches a pull-up mode button and triggers a named animation routine that ramps the center LED before stepping the grouped LEDs.
Badge context
KiCad PCB source for badge artwork, reverse-mounted PLCC LED footprints, Cyber City Circuits logo footprint, and SECYC sponsor silkscreen context.
DEF CON forum source for the DEF CON 31 Youth Challenge hours, Social Engineering Community Village location, and puzzle-topic framing.
Arduino-style firmware source for LED group pins, mode button behavior, center LED breathing, and jigawatts animation.
Public Social Engineering Community repository for the DEF CON 31 Youth Challenge Flux Decoder badge.
KiCad schematic source for ATtiny1614, USB-C power-only input, pushbutton, LED groups, and Cyber City Circuits title-block context.
Current Social Engineering Community page documenting the Youth Challenge as a DEF CON youth program that ran through 2024 before retirement.
Repository readme naming the SEC Youth Challenge Flux Decoder badge and linking the historical project page.
Consolidated DEF CON 31 schedule mirror corroborating the Social Engineering Community Youth Challenge listing.
Consolidated DEF CON 31 village schedule placing SECV Youth Challenge activity in the Social Engineering Village room block.
Source trail
Official DEF CON forum source for DEF CON 31 Youth Challenge schedule, LINQ Social A village location, and challenge-category context.
Current official SEC page documenting the Youth Challenge as a DEF CON youth program, naming supporting staff, and recording retirement after the 2024 chapter.
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.
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.
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.