XR63 GL — what fits
Controller
1 wireless option — drops straight into the socket, but needs ZMK firmware nobody has recorded for this design
- Seeed XIAO nRF52840 (XIAO BLE) — drops in; needs the firmware config
2 more wired options
Switches
- ✓ MX
- ✗ Choc v1 — this design's own footprint is MX, not this
- ✗ Choc v2 — this design's own footprint is MX, not this
- ✗ Alps — this design's own footprint is MX, not this
Keycaps
Any MX keycap set fits — an MX-stem cap on 19.05 mm spacing.