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dizzy40

by kb-elmo · ·

42 keys unibody

MX soldered ATmega32U2 QMK

3D render of the dizzy40 circuit board
The bare PCB, drawn from dizzy40.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 drop-in replacement PCB for the KPR Daisy 40% with more layout options

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 ATmega32U2
Connectivity
Wired — the soldered ATmega32U2 has no radio
USB port
USB-C
Firmware
QMK (kb_elmo/dizzy40)
Firmware targets
ATmega32U2
Key wiring
4×11 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, LED, IC)
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