HardLabs

Youwu36

ChrisChrisLoLo·youwu36

Youwu36 PCB layout, top view — open source AVR/Arduino board by ChrisChrisLoLo

About the Youwu36 PCB

Youwu36 is an open source AVR/Arduino PCB design by ChrisChrisLoLo, published on GitHub. It is a 2-layer board measuring 190.5 × 76.2 mm, with 74 components from 4 distinct parts.

Its main chip is the ProMicro, from the AVR/Arduino family. By type, the board carries 37 switches, 36 diodes and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

36 key gasket mounted ortholinear keyboard that can be used with the miryoku layout

Youwu36, from the project README
From the project README

Main components on the Youwu36

ProMicro

Youwu36 bill of materials (BOM)

74 components, 4 distinct parts.

QtyPartRefs
1
ProMicro
U1
36
SW_SPST
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +28
1
SW_SPST
SW37
36
DIODE
D1, D2, D3, D4, D5, D6, D7, D8 +28

Youwu36 design files

The KiCad project lives in the ChrisChrisLoLo/youwu36 repository on GitHub; these links point at the commit this page was built from.

Youwu36: common questions

What microcontroller does the Youwu36 use?

The Youwu36 is built around the ProMicro, from the AVR/Arduino family.

How big is the Youwu36 PCB?

The Youwu36 measures 190.5 × 76.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Youwu36?

74 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the Youwu36 design files?

From the ChrisChrisLoLo/youwu36 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Youwu36 design in my own project?

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

Can I test firmware for the Youwu36 without the hardware?

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

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