Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The 2026 activities guide describes venue kiosks, SCAN mode, crank-built charge, printed clues, tasks, and LED animation rewards.
Badge context
Public ZonkSec repository preserving MicroPython firmware, KiCad files, Gerbers, BOMs, 3D models, flyers, and badge variants.
Official badge site for the off-grid weather badge, source-release note, activities, BOM, and quest results.
Official registration source for April 7-10, 2026 event dates, April 9-10 main conference dates, and Hilton Omaha Downtown location.
Official current badge site listing the 2019 K, 2020 HackMaster, 2021 Hacker Hotkey, 2022 Watch, 2023 radio, 2024 cable-tester, and 2025 Race Condition badge lineage.
Source trail
Primary source for weather prediction, BME280 sensing, ESP32, battery/crank modes, 90:1 motor, buck-boost plus regulator power path, LEDs, and manufacturing credits.
Primary activity source for assembly, quest kiosks, SCAN/CHRG modes, weather training, and USB charge-module kit.
Primary repository source for ESP32-WROOM-32E, BME280, SK6812 LEDs, crank generator, MicroPython firmware, BLE scanning, quest files, KiCad files, BOMs, Gerbers, 3D models, and license caveat.