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Wren plain

oliviahanley·wren-keyboard·Plates/wren-plain-top/wren-plain.kicad_pcb

Wren plain PCB layout, top view — open source board by oliviahanley

About the Wren plain PCB

Wren plain is an open source PCB design by oliviahanley, published on GitHub under the MIT license. It is a 2-layer board measuring 141.5 × 112.8 mm, with 28 components from 2 distinct parts.

It belongs with the keyboards designs in this gallery.

From the project

A split ergonomic keyboard with options for numpad, nav cluster, and more.

My primary keyboard for the last few years has been Prime Keyboards' primeo, before which I used a handwired Planck. On both I made pretty heavy use of the numpad. I grew to appreciate the prime\o's physical one, though, mostly because I spend a lot of time in Excel at my day job and like using the mouse and numpad simultaneously. I've been wanting to switch to ergo for a while, but I was annoyed by the thought of having to use a separate numpad to recreate that experience. This project was an attempt to solve that problem.

Wren plain, from the project README
From the project README

Wren plain bill of materials (BOM)

28 components, 2 distinct parts.

QtyPartRefs
27
MX-NoLED
MX1, MX2, MX3, MX4, MX5, MX6, MX11, MX12 +19
1
MX-NoLED
MX41

Wren plain design files

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

Wren plain: common questions

How big is the Wren plain PCB?

The Wren plain measures 141.5 × 112.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Wren plain?

28 components, from 2 distinct parts. The full bill of materials is listed on this page.

Where can I download the Wren plain design files?

From the oliviahanley/wren-keyboard repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Wren plain design in my own project?

Yes, under the terms of its MIT license, which oliviahanley chose for the repository.

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