HardLabs

Southpaw

kelvinhall05·Southpaw75·ISO PCB/southpawpcb.kicad_pcb

Southpaw PCB layout, top view — open source board by kelvinhall05

About the Southpaw PCB

Southpaw is an open source PCB design by kelvinhall05, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 362.9 × 103.6 mm, with 160 components from 11 distinct parts.

Other key parts include the ProMicro. By type, the board carries 79 relays, 79 diodes, 1 IC and 1 switch.

It belongs with the keyboards designs in this gallery.

From the project

Design files and assembly guide for the Southpaw75 keyboard.

The Southpaw75 is a budget FR4 keyboard designed to make a southpaw-style layout available to everyone with as few compromises as possible.

Southpaw, from the project README
From the project README

Main components on the Southpaw

ProMicro

Southpaw bill of materials (BOM)

160 components, 11 distinct parts.

QtyPartRefs
1
ProMicro
U1
62
KEYSW
K1, K2, K3, K4, K5, K6, K7, K8 +54
4
KEYSW
K18, K22, K56, K70
1
KEYSW
K23
1
KEYSW
K36
1
KEYSW
K40
8
KEYSW
K57, K72, K73, K74, K76, K77, K78, K79
1
KEYSW
K69
1
KEYSW
K75
1
Reset
SW1
79
D
D1, D2, D3, D4, D5, D6, D7, D8 +71

Southpaw design files

The KiCad project lives in the kelvinhall05/Southpaw75 repository on GitHub; these links point at the commit this page was built from.

Southpaw: common questions

How big is the Southpaw PCB?

The Southpaw measures 362.9 × 103.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Southpaw?

160 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Southpaw design files?

From the kelvinhall05/Southpaw75 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Southpaw design in my own project?

Yes, under the terms of its GPL-3.0 license, which kelvinhall05 chose for the repository.

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