karn — what fits
Controller
7 wireless options — drop straight into the socket, but need ZMK or KMK firmware nobody has recorded for this design
- nice!nano v2 — drops in; needs the firmware config
- nice!nano v1 — drops in; needs the firmware config
- nRFMicro (nRF52840, rev 1.1-1.4) — drops in; needs the firmware config
- nRFMicro (nRF52833) — drops in; needs the firmware config
- Puchi-BLE V1 — drops in; needs the firmware config
- Mikoto — drops in; needs the firmware config
- BlueMicro840 v1 — drops in; needs the firmware config
20 more wired options
Switches
These compare footprints only: we haven't recorded how this board senses a keypress.
- ✗ MX — this design's own footprint is Choc v1, not this
- ✓ Choc v1
- ✗ Choc v2 — this design's own footprint is Choc v1, not this
- ✗ Alps — this design's own footprint is Choc v1, not this
Keycaps
This board's keys are 17.50 mm apart, which matches no commercial cap size — which keycaps fit is the designer's to state.