Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The official activity guide documents a small PCB kit that lets attendees harness the badge crank output to charge devices through USB-A.
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.