Add-on dossier

CR123A chainable LED hardware

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

Back to add-ons index

power and expansion

Project details and build logs document two CR123A cells, diode reverse-polarity protection, battery tests, WS2812B failure observations, and boards chainable by VCC, ground, and LED data output.

Badge
LayerOne 2015 Dual Electronic Badges
Type
power and expansion
Status
source-backed
Compatibility
LayerOne 2015 PSoC4 LED badge
Source
https://hackaday.io/project/4207/log/18310-building-badges

Badge context

Related Resources

Source trail

Evidence Sources

Hackaday.io / charliex · retrieved 2026-05-15

Building badges

Production-log source for kit preparation, speaker and staff badge builds, LED badge pick-and-place assembly, chainable boards, and late May 2015 build status.

Badge: LayerOne 2015 Dual Electronic Badges

Hackaday.io / charliex · retrieved 2026-05-15

LayerOne 2015 Badge details

Technical project source for PSoC LED routines, UDP RGB drive path, CR123A power behavior, daisy-chain tests, VoCore/OpenWRT configuration, LuCI, USB storage, sysupgrade, and administration workflows.

Badge: LayerOne 2015 Dual Electronic Badges