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One s

ergonautkb·one-s·pcb/pcb.kicad_pcb

One s PCB layout, top view — open source board by ergonautkb
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About the One s PCB

One s is an open source PCB design by ergonautkb, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 117 × 96 mm, with 47 components from 8 distinct parts.

Other key parts include the XIAO_nRF52840. By type, the board carries 18 switches, 18 diodes, 2 connectors and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

Ergonaut One S is an open-source ergonomic wireless split mechanical keyboard designed by Ergonaut Keyboards.

Ergonaut One S is an open-source ergonomic wireless split mechanical keyboard designed by Ergonaut Keyboards.

Inspiration for the keyboard was taken from these projects:

- Ergonaut One by Ergonaut Keyboards - Chocofi by pashutk

We wanted to create a pretty affordable, nice looking, and, most importantly, very DIY-friendly ergonomic wireless split keyboard with Gateron Low Profile switches.

One s, from the project README
From the project README

Main components on the One s

XIAO_nRF52840

One s bill of materials (BOM)

47 components, 8 distinct parts.

QtyPartRefs
1
XIAO_nRF52840
U1
1
BATT
J1
1
BATT
J2
4
MountingHole
H1, H2, H3, H4
3
StandoffHole
H5, H6, H7
1
SW_SPDT
PWR1
18
SW_SPST
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +10
18
D_Small
D1, D2, D3, D4, D5, D6, D7, D8 +10

One s design files

The KiCad project lives in the ergonautkb/one-s repository on GitHub; these links point at the commit this page was built from.

One s: common questions

How big is the One s PCB?

The One s measures 117 × 96 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the One s?

47 components, from 8 distinct parts. The full bill of materials is listed on this page.

Where can I download the One s design files?

From the ergonautkb/one-s repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the One s design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which ergonautkb chose for the repository.

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