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fnrow

by dinofizz · ·

13 keys unibody

MX soldered STM32F042 QMK

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

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Record 100% complete · 18 of 18 fields

FnRow is a mechanical keyboard which features a single row of switches, in the form of a "function row". Each switch is configurable and can be programmed to perform as any key on a typical keyboard, or even combinations of key presses.

Layouts

Spec

Shape

Body
unibody
Splay
no
Stagger
row-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 STM32F042
Connectivity
Wired — the soldered STM32F042 has no radio
USB port
USB-C
Firmware
QMK (dinofizz/fnrow/v1)
Firmware targets
STM32F042
Key wiring
2×7 matrix, column-to-row diodes
Room for
— not recorded —
Power switch
no
Exposed components
no

Building it

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

Licensing

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

Sources