A small, bare protoboard "hexpansion" that breaks the badge's I²C bus, 3V3 and GND out onto a solderable prototyping field.
The EMF Camp badge (2024 Tildagon, 2026 Spaceagon — same hexpansion interface) has six slots for small ~1 mm "hexpansion" boards. We wanted a giveaway that is genuinely useful and cheap enough to hand out in quantities.
A bare passive protoboard breakout is the answer: lowest cost, lowest risk, no assembly, nothing to go wrong electrically. It just has to slot in, make reliable contact, and give people pads to solder to. Every hole has an exposed ENIG gold ring, the 20-pad edge-connector pinout is broken out to a 2×10 header, and power rails run top (3V3) and bottom (GND) — the rest of the field is yours.
- JakeW — this design's form factor and proto-field approach are functionally inspired by his Protoboard Hexpansion ("protohex"). Site: https://jakew.me · on Tindie: https://www.tindie.com/products/jakew/protoboard-hexpansion/
- EMF Camp — the badge hardware, the hexpansion mechanical/electrical spec, and the KiCad template our board is derived from, released under CERN-OHL-P v2.
- Poly Haven — the CC0 studio HDRI used to light the product renders.
- Tildagon badge docs — https://tildagon.badge.emfcamp.org/
- Creating hexpansions (the spec we built to) — https://tildagon.badge.emfcamp.org/hexpansions/creating-hexpansions/
- Badge hardware (our upstream template) — https://github.com/emfcamp/badge-2024-hardware
- Badge documentation repo — https://github.com/emfcamp/badge-2024-documentation
- 2026 Spaceagon announcement — https://blog.emfcamp.org/2026/05/28/tildagon-2026-spaceagon/
| Path | What |
|---|---|
codemyriad-protogon/ |
The KiCad design, fabrication outputs, and renders. See its README for board detail and how to regenerate. |
tools/ |
generate_protogon.py (generates the board — the source of truth), render_protogon_blender.py + render-on-roy.sh (GPU renders), svg_logo_to_silk.py (logo → silk). |
_upstream_badge_2024_hardware/ |
Local clone of the EMF badge hardware (reference; not tracked — see .gitignore). |