Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The Telegraph badge documentation links SAO designs, Qwiic expansion, ESP32-C6 firmware, CH32V003 co-processor firmware, hardware files, and a 3D printable case.
Badge context
Hackaday writeup covering the telegraph interface, ESP32-C6/CH32V003 split, salvaged e-paper screen, click relay, mesh messaging, and Battleships app.
Badge.Team page documenting the Telegraph badge hardware, app navigation, resources, case, and bug-reporting path.
Badge.Team photos page with badge images, billboard message-printer context, and preparation/flashing/testing photos.
Source trail
Badge.Team page documenting the Telegraph badge hardware, app navigation, resources, case, and bug-reporting path.
Primary photo/context source for the badge, billboard printer, and Bitlair preparation.
Secondary field report for the badge's telegraph interface, mesh messaging, Battleships app, clicky relay, and reuse as a name badge.