HardLabs

Proto4-left

tangybbq·keyboard·proto4/proto4-left/proto4-left.kicad_pcb

Proto4-left PCB layout, top view — open source board by tangybbq

About the Proto4-left PCB

Proto4-left is an open source PCB design by tangybbq, published on GitHub. It is a 2-layer board measuring 133 × 94 mm, with 37 components from 9 distinct parts.

Other key parts include the CORTEX-M0 and RJ45-JACK. By type, the board carries 10 inductors, 4 LEDs, 2 ICs, 2 speakers and 1 diode.

It belongs with the keyboards and power & battery designs in this gallery.

From the project

Design files for my keyboards

This repo captures the design files associated with my custom keyboards.

These keyboards are primarily focused on Steno input, mainly using Plover. In the spirit of open steno, I have made these designs open. Anyone is free to make designs based on these keyboards, for non-commercial purposes. I am releasing the designs under the CC BY-NC 3.0 license. Specifically, this means if you wish to sell a product based on the design, you should talk to me.

Proto4-left, from the project README
From the project README

Main components on the Proto4-left

CORTEX-M0RJ45-JACK

Proto4-left bill of materials (BOM)

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

QtyPartRefs
1
CORTEX-M0
U$2
1
RJ45-JACK
U$3
14
BAV19W
D_A0, D_H0, D_K0, D_LF2, D_NUM0, D_O0, D_P0, D_R0 +6
3
PG1350-PINKA
LF1, LF2, LNUM0
2
PG1350-PINKA
LS1, LS2
1
0
RESET0
4
0
LED1, LED2, LED3, LED4
1
BAV19W
D-LF1
10
PG1350-PINKA
L-A0, L-H0, L-K0, L-O0, L-P0, L-R0, L-S0, L-STAR0 +2

Proto4-left design files

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

Proto4-left: common questions

How big is the Proto4-left PCB?

The Proto4-left measures 133 × 94 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Proto4-left?

37 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 Proto4-left design files?

From the tangybbq/keyboard 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 Proto4-left design in my own project?

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

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