keyboardbuilders

← All designs

helix

by makotokurauchi · ·

64 keys split

Alps / Choc v1 / MX Pro Micro socket ZMK

3D render of the helix circuit board
The bare PCB, drawn from helix.kicad_pcb. No switches or keycaps: this is the board as manufactured.

What fits this board → Compare with another board →

Record 100% complete · 16 of 16 fields

A compact split ortholinear keyboard.

Layouts

Spec

Shape

Body
split, 2 halves
Split link
TRRS cable
Splay
no
Stagger
ortholinear
Key spacing
MX spacing · 19.05 × 19.05 mm

Switches

Switch footprint
Alps, Choc v1, MX
Hotswap
Mill-Max, or solder the switches in

Electronics

Controller
Pro Micro socket
Connectivity
Wireless with a nice!nano v2, or 6 other controllers
USB port
USB-C or micro-USB, depends on the dev board
Firmware
ZMK (helix)
Firmware targets
— not recorded —
Key wiring
5×7 matrix per half, column-to-row diodes
Room for
— not recorded —
Power switch
no
Exposed components
no

Building it

Build method
PCB
Soldering
SMD, hand-solderable (LED)
SMD required
yes

Licensing

Hardware
MIT
Firmware
MIT
Documentation
MIT

Sources