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masonry

by dcpedit · ·

44 keys unibody

MX soldered STM32F072 QMK

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

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Record 89% complete · 16 of 18 fields

Inspired by Bruce the Keyboard, this is a 12 column version with a less aggressive stagger.

Layouts

Spec

Shape

Body
unibody
Splay
— not recorded —
Stagger
— not recorded —
Key spacing
MX spacing · 19.05 × 19.05 mm

Switches

Switch footprint
MX
Hotswap
Kailh socket, Gateron socket

Electronics

Controller
soldered STM32F072
Connectivity
Wired — the soldered STM32F072 has no radio
USB port
USB-C
Firmware
QMK (dcpedit/masonry)
Firmware targets
STM32F072
Key wiring
8×6 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, passive, IC)
SMD required
yes

Licensing

Hardware
CC BY 4.0
Firmware
CC BY 4.0
Documentation
CC BY 4.0

Sources