HardLabs

Ukiha draft

e3w2q·ukiha-keyboard·pcb/ukiha-draft.kicad_pcb

Ukiha draft PCB layout, top view — open source AVR/Arduino board by e3w2q

About the Ukiha draft PCB

Ukiha draft is an open source AVR/Arduino PCB design by e3w2q, published on GitHub under the MIT license. It is a 2-layer board measuring 200 × 88 mm, with 128 components from 5 distinct parts.

Its main chip is the ProMicro/BLEMicroPro, from the AVR/Arduino family. By type, the board carries 63 switches, 63 diodes, 1 IC and 1 connector.

It belongs with the keyboards designs in this gallery.

From the project

small key pitch 5x12 ortholinear keyboard

Ukiha draft, from the project README
From the project README

Main components on the Ukiha draft

ProMicro/BLEMicroPro

Ukiha draft bill of materials (BOM)

128 components, 5 distinct parts.

QtyPartRefs
1
ProMicro/BLEMicroPro
U1
1
Conn_01x03
J1
52
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +44
11
SW_Push
SW53, SW54, SW55, SW56, SW57, SW58, SW59, SW60 +3
63
D
D1, D2, D3, D4, D5, D6, D7, D8 +55

Ukiha draft design files

The KiCad project lives in the e3w2q/ukiha-keyboard repository on GitHub; these links point at the commit this page was built from.

Ukiha draft: common questions

What microcontroller does the Ukiha draft use?

The Ukiha draft is built around the ProMicro/BLEMicroPro, from the AVR/Arduino family.

How big is the Ukiha draft PCB?

The Ukiha draft measures 200 × 88 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Ukiha draft?

128 components, from 5 distinct parts. The full bill of materials is listed on this page.

Where can I download the Ukiha draft design files?

From the e3w2q/ukiha-keyboard repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Ukiha draft design in my own project?

Yes, under the terms of its MIT license, which e3w2q chose for the repository.

Can I test firmware for the Ukiha draft 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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