HardLabs

Keyboard3

Liffon·hexakeyboard

Keyboard3 PCB layout, top view — open source board by Liffon

About the Keyboard3 PCB

Keyboard3 is an open source PCB design by Liffon, published on GitHub. It is a 2-layer board measuring 271.5 × 100 mm, with 129 components from 3 distinct parts.

Other key parts include the proton_c. By type, the board carries 64 LEDs, 64 diodes and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

KiCad project for a hexalinear keyboard pcb

This is a KiCad project for a hexalinear keyboard PCB using a breakout Proton C as a controller.

Keyboard3, from the project README
From the project README

Main components on the Keyboard3

proton_c

Keyboard3 bill of materials (BOM)

129 components, 3 distinct parts.

QtyPartRefs
1
proton_c
U1
64
MX-NoLED
MX1, MX2, MX3, MX4, MX5, MX6, MX7, MX8 +56
64
SOD-123
D1, D2, D3, D4, D5, D6, D7, D8 +56

Keyboard3 design files

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

Keyboard3: common questions

How big is the Keyboard3 PCB?

The Keyboard3 measures 271.5 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyboard3?

129 components, from 3 distinct parts. The full bill of materials is listed on this page.

Where can I download the Keyboard3 design files?

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

Can I use the Keyboard3 design in my own project?

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

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