HardLabs

Test

JellyTitan·ErgoDonk·ergodonk_elite-c/ergodonk-elite-c/KiCad-RP-Pico/Test 2/Test.kicad_pcb

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

About the Test PCB

Test is an open source RP2040/RP2350 PCB design by JellyTitan, published on GitHub under the MIT license. It is a 2-layer board measuring 43 × 65 mm, with 4 components from 3 distinct parts.

Its main chip is the Pico, from the RP2040/RP2350 family. By type, the board carries 3 connectors and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

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

So I decided to create one, using the mechanical specification from the Raspberry Pi Pico datasheet:

I've used SketchUp to create the 3D model:

and I used the native Sketchup export function (no plugin needed) to create the VRLM file Pico.wrl that I've also added an the RP-Pico Libraries folder, as the VRLM format is one of the 3D model format that KiCad allow to use for the visual representation of a CPB footprint.

Test, from the project README
From the project README

Main components on the Test

Pico

Test bill of materials (BOM)

4 components, 3 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Pico
U1
2
Conn_01x20
J1, J2
1
Conn_01x03
J3

Test design files

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

Test: common questions

What microcontroller does the Test use?

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

How big is the Test PCB?

The Test measures 43 × 65 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Test?

4 components, from 3 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 Test 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 Test 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 Test 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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