Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The Hackster materials list names 224 Adafruit 0805 LEDs, four 74HC595 shift registers, and sixteen 2N3904 transistors for the visual badge surface.
Badge context
Internet Archive mirror linked from InfoconDB as the official DerbyCon 7.0 Legacy event-page context.
Conference archive source for the DerbyCon 7.0 Legacy dates, Hyatt Regency Hotel venue, Louisville, Kentucky location, and linked event-program context.
Infocon-hosted program PDF linked from InfoconDB, used for event-context corroboration rather than badge hardware claims.
Primary first-hand maker source for the Legacy Black Badge purpose, hardware bill of materials, design/fabrication workflow, compiled firmware artifact, build steps, and image-rights boundary.
Source trail
Archived official event-page context linked by InfoconDB; not used for black-badge hardware claims.
Primary first-hand source proving the DerbyCon Legacy Black Badge artifact, black-badge lifetime-ticket framing, Ben Hibben and Charles Lehman maker context, BOM, fabrication steps, and compiled firmware artifact.
Conference archive source proving the September 22-24, 2017 Hyatt Regency Hotel, Louisville, Kentucky DerbyCon 7.0 Legacy event context.