HardLabs

Ergodonk

JellyTitan·ErgoDonk·ergodonk_pcb/ergodonk_pcb.kicad_pcb

Ergodonk PCB layout, top view — open source RP2040/RP2350 board by JellyTitan

About the Ergodonk PCB

Ergodonk is an open source RP2040/RP2350 PCB design by JellyTitan, published on GitHub under the MIT license. It is a 2-layer board measuring 216.6 × 156.6 mm, with 118 components from 27 distinct parts.

Its main chip is the Pico, from the RP2040/RP2350 family. By type, the board carries 54 diodes, 53 switches, 2 connectors, 1 IC, 1 transistor and 1 jumper.

It belongs with the keyboards designs in this gallery.

From the project

ErgoDox variant using standard SA keycaps, FDM case, and blackpill MCU

Ergodonk, from the project README
From the project README

Main components on the Ergodonk

Pico

Ergodonk bill of materials (BOM)

118 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Pico
U11
1
TIP120
Q1
1
Pimaroni Trackball
J10
1
4PIN
J11
1
MUR340S
D_SOL_1
1
LH LED's
JP3
1
Conn_01x02_Female
J_SOL_1
1
AST1109MLTRQ_MAL
LS10
1
Solenoid
S1
38
SW_PUSH_LED
SW1, SW3, SW4, SW5, SW6, SW7, SW10, SW11 +30
1
SW_PUSH_LED
SW2
1
SW_PUSH_LED
SW08_RH10
1
SW_PUSH_LED
SW18_RH10
1
SW_PUSH_LED
SW27
1
SW_PUSH_LED
SW28_RH10
1
SW_PUSH_LED
SW37
1
SW_PUSH_LED
SW38_RH10
1
SW_PUSH_LED
SW47
1
SW_PUSH_LED
SW48_RH10
2
SW_PUSH_LED
SW51, SW52
Show 7 more
QtyPartRefs
1
SW_PUSH_LED
SW53
2
SW_PUSH_LED
SW57, SW58
1
RotaryEncoder_Switch
SWLH_ROT1
1
OLED
OL10
53
D
D1, D2, D3, D4, D5, D6, D7, D08_RH10 +45
1
D
D18
1
1k
R2

Ergodonk design files

The KiCad project lives in the JellyTitan/ErgoDonk repository on GitHub; these links point at the commit this page was built from.

Ergodonk: common questions

What microcontroller does the Ergodonk use?

The Ergodonk is built around the Pico, from the RP2040/RP2350 family.

How big is the Ergodonk PCB?

The Ergodonk measures 216.6 × 156.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Ergodonk?

118 components, from 27 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Ergodonk design files?

From the JellyTitan/ErgoDonk repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Ergodonk design in my own project?

Yes, under the terms of its MIT license, which JellyTitan chose for the repository.

Can I test firmware for the Ergodonk without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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