Add-on dossier

SAO v2 and GPIO/I2C expansion

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

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hardware expansion

The BOM and board pinout document an SAO v2 connector plus SAO I2C and GPIO assignments available to firmware and badge hardware experiments.

Badge
Hackaday Supercon 2025 Communicator Badge
Type
hardware expansion
Status
source-backed
Compatibility
Hackaday Supercon 2025 Communicator Badge
Source
https://raw.githubusercontent.com/Hack-a-Day/2025-Communicator_Badge/main/firmware/badge/hardware/board.py

Badge context

Related Resources

Source trail

Evidence Sources