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ergo33

by kulmajaba · ·

33 keys unibody

MX soldered ATmega32U4 QMK

3D render of the ergo33 circuit board
The bare PCB, drawn from ergo33.kicad_pcb. No switches or keycaps: this is the board as manufactured.

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Record 94% complete · 17 of 18 fields

No summary recorded.

Layouts

Spec

Shape

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

Switches

Switch footprint
MX
Hotswap
Kailh socket, Gateron socket

Electronics

Controller
soldered ATmega32U4
Connectivity
Wired — the soldered ATmega32U4 has no radio
USB port
USB-C
Firmware
QMK (tunks/ergo33)
Firmware targets
ATmega32U4
Key wiring
5×7 matrix, column-to-row diodes
Room for
encoder
Power switch
no
Exposed components
no

Building it

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

Licensing

Hardware
MIT
Firmware
MIT
Documentation
MIT

Sources