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Un Split

by swiftrax · ·

44 keys unibody

MX soldered ATmega32U4 QMK

Photo of an assembled Un Split
An assembled Un Split, from the project's own README.

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Record 100% complete · 18 of 18 fields

A Kyria layout with some of the thumb keys removed. It is non split and powered by an ATMega32u4-AU. Featuring an exposed component layout with diodes in a bank.

Layouts

Spec

Shape

Body
unibody
Splay
no
Stagger
column-staggered
Key spacing
MX spacing · 19.05 × 19.05 mm

Switches

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

Electronics

Controller
soldered ATmega32U4
Connectivity
Wired — the soldered ATmega32U4 has no radio
USB port
USB-C
Firmware
QMK (handwired/swiftrax/unsplit)
Firmware targets
ATmega32U4
Key wiring
4×12 matrix, column-to-row diodes
Room for
— not recorded —
Power switch
no
Exposed components
yes

Building it

Build method
PCB
Soldering
SMD, fine-pitch (USB)
SMD required
yes

Licensing

Hardware
GPL-2.0-only
Firmware
GPL-2.0-only
Documentation
GPL-2.0-only

Sources