HardLabs

Main

Oya-Tomo·wavier-keys·circuit/main/main.kicad_pcb

Main PCB layout, top view — open source RP2040/RP2350 board by Oya-Tomo

About the Main PCB

Main is an open source RP2040/RP2350 PCB design by Oya-Tomo, published on GitHub. It is a 2-layer board measuring 349.3 × 108 mm, with 136 components from 10 distinct parts.

Its main chip is the Pico, from the RP2040/RP2350 family. By type, the board carries 68 diodes, 1 IC and 1 connector.

It belongs with the keyboards designs in this gallery.

From the project

keyboard firmware written in Rust and circuit

this repo contains the firmware program written in Rust with rp-2040 bsp and circuit file made with kicad.

test, test, ah... ah... This message was written with Wavier Keys keyboard.

Main components on the Main

Pico

Main bill of materials (BOM)

136 components, 10 distinct parts.

QtyPartRefs
1
Pico
U1
1
Conn_01x03
J1
55
KeySocket
KS1, KS6, KS7, KS8, KS9, KS11, KS12, KS13 +47
2
KeySocket
KS2, KS60
2
KeySocket
KS3, KS55
2
KeySocket
KS4, KS61
3
KeySocket
KS5, KS10, KS15
1
KeySocket
KS28
1
KeySocket
KS64
68
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +60

Main design files

The KiCad project lives in the Oya-Tomo/wavier-keys repository on GitHub; these links point at the commit this page was built from.

Main: common questions

What microcontroller does the Main use?

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

How big is the Main PCB?

The Main measures 349.3 × 108 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Main?

136 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the Main design files?

From the Oya-Tomo/wavier-keys repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Main design in my own project?

The repository has no license, so all rights stay with Oya-Tomo. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Main 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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