HardLabs

Sub panel

google·mozc-devices·mozc-doublesided/board/sub_panel/sub_panel.kicad_pcb

Sub panel PCB layout, top view — open source board by google

About the Sub panel PCB

Sub panel is an open source PCB design by google, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 191 × 85 mm, with 15 components from 6 distinct parts.

By type, the board carries 8 diodes, 4 switches, 2 connectors and 1 resistor.

It belongs with the keyboards designs in this gallery.

From the project

Circuit diagrams and firmware source code for Gboard DIY keyboards

This directory contains the firmware and hardware design for Gboard double sided version, which was released on Oct 1, 2024.

This is not an officially supported Google product.

- case/ : STL files for case - board/ : KiCad schematics and PCB layouts - firmware/ : Firmware resources for STM32CubeIDE - gerber/ : Gerber data for PCB production and assembly

- Assembled A Type Board: 26 boards (incl. 1 primary board) - See BOM below - Assembled B Type Board: 26 boards (incl. 1 primary board) - See BOM below - USB Board: 1 board - See BOM below - Cable A; JST ZH 1.5mm pitch 8pin 100mm forward…

Sub panel, from the project README
From the project README

Sub panel bill of materials (BOM)

15 components, 6 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Conn_Proxy1
J5
1
Conn_Proxy2
J6
4
C5184526
SW_Push
SW1, SW2, SW3, SW4
4
C5149201
SK6812MINIe
D1, D2, D3, D4
4
C109001
D
D5, D6, D7, D8
1
510
R2

Sub panel design files

The KiCad project lives in the google/mozc-devices repository on GitHub; these links point at the commit this page was built from.

Sub panel: common questions

How big is the Sub panel PCB?

The Sub panel measures 191 × 85 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Sub panel?

15 components, from 6 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 Sub panel design files?

From the google/mozc-devices 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 Sub panel design in my own project?

Yes, under the terms of its Apache-2.0 license, which google chose for the repository.

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