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67 E

by str-dst · ·

69 / 68 / 67 / 66 keys unibody

MX soldered ATmega32U4 QMK

3D render of the 67 E circuit board
The bare PCB, drawn from 67_E.kicad_pcb. No switches or keycaps: this is the board as manufactured.

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Record 89% complete · 16 of 18 fields

A simple "no frills" drop-in replacement PCB for the KBDfans 67mkII / 67lite

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
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 (kb_elmo/67mk_e)
Firmware targets
ATmega32U4
Key wiring
5×16 matrix, column-to-row diodes
Room for
— not recorded —
Power switch
no
Exposed components
— not recorded —

Building it

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

Licensing

Hardware
CC-BY-NC-SA-4.0
Firmware
CC-BY-NC-SA-4.0
Documentation
CC-BY-NC-SA-4.0

Sources