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karn 2

from the Karn family

by robcmills · ·

38 keys split

Choc v1 BlackPill socket QMK

3D render of the karn 2 circuit board
The bare PCB, drawn from karn-2.kicad_pcb. No switches or keycaps: this is the board as manufactured.

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Record 82% complete · 14 of 17 fields

No summary recorded.

Layouts

Spec

Shape

Body
split, 2 halves
Split link
TRRS cable
Splay
no
Stagger
ortholinear
Key spacing
Non-standard · 17.50 mm

Switches

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

Electronics

Controller
BlackPill socket
Connectivity
Wireless with a MechWild PillBug — needs a ZMK config
USB port
USB-C, on the dev board
Firmware
QMK (karn)
Firmware targets
— not recorded —
Key wiring
— not recorded —
Room for
— not recorded —
Power switch
no
Exposed components
— not recorded —

Building it

Build method
PCB
Soldering
through-hole (connector)
SMD required
no

Licensing

Hardware
all rights reserved — no license stated
Firmware
all rights reserved — no license stated
Documentation
all rights reserved — no license stated

Sources