karn 3 — what fits
Controller
1 wireless option — drops straight into the socket, but needs ZMK firmware nobody has recorded for this design
- MechWild PillBug — drops in; needs the firmware config
1 more wired option
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.