Add-on dossier

SAO-ish I2C and case ecosystem

A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.

BalCCon Cyberdeck 0o27 historical/current

hardware expansion

BCD-0o27 documents an I2C add-on connector, case files, assembly instructions, and firmware hooks for continued hacking.

Badge context

Related Resources

firmware article

CH405 Labs firmware flashing guide for the 2023 BCD-0o27 badge.

hardware docs

CH405 Labs assembly guide for the BalCCon2k23 BCD-0o27 badge.

project page

Hackaday.io project page for the BalCCon Cyberdeck 0o27 badge.

Source trail

CH405 Labs · retrieved 2026-05-15

Hardware manufacturing and assembly source.

CH405 Labs · retrieved 2026-05-15

Firmware flashing source.

Hackaday.io · retrieved 2026-05-15

Primary project page for BalCCon2k23 cyberdeck badge overview.