HardLabs

Usb

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

Usb PCB layout, top view — open source board by google

About the Usb PCB

Usb is an open source PCB design by google, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 15.9 × 23.5 mm, with 12 components from 9 distinct parts.

Other key parts include the C347222. By type, the board carries 5 resistors, 4 capacitors, 2 connectors and 1 IC.

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…

Usb, from the project README
From the project README

Main components on the Usb

C347222

Usb bill of materials (BOM)

12 components, 9 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
C347222
AMS1117-3.3
U1
1
C160734
JST_ZH_7P
J1
1
C5178539
USB
J2
1
0.1U
10u
C1
1
2.2u
C2
2
47p
C3, C4
2
510
5.1K
R1, R2
2
22
R3, R4
1
1.5K
R5

Usb 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.

Usb: common questions

How big is the Usb PCB?

The Usb measures 15.9 × 23.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Usb?

12 components, from 9 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 Usb 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 Usb 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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