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dolphin

by evyd13 · ·

24 / 21 keys unibody

MX soldered ATmega32U2 QMK

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

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Record 89% complete · 16 of 18 fields

Replacement PCB for Lin Dolphin Pad.

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 (evyd13/fin_pad)
Firmware targets
ATmega32U2
Key wiring
6×4 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, IC)
SMD required
yes

Licensing

Hardware
MIT
Firmware
MIT
Documentation
MIT

Sources