HardLabs

PS-OHK

blueOkiris·ps-ohk·keys-lefthand/keys-lefthand.kicad_pcb

PS-OHK PCB layout, top view — open source board by blueOkiris
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About the PS-OHK PCB

PS-OHK is an open source PCB design by blueOkiris, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 252.8 × 229.6 mm, with 83 components from 2 distinct parts.

It belongs with the keyboards designs in this gallery.

From the project

Type with only one hand

1) the most common letters used 2) relationships between sounds 3) the shape of a left hand 4) practicality

The PS-OHK (pronounced "psawk" [p͡sɑk̚]) aims to be the ultimate one-handed typing experience all without special modifiers (a standard key count) and a layout that is relatively easy to get used to.

- arduino-cli - make - sdcc - ch55xtool - libusb

Hold program button down, plug in, let go of program button, and run make -C fw upload within 3 seconds

PS-OHK, from the project README
From the project README

PS-OHK bill of materials (BOM)

83 components, 2 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
Conn_01x20
J1, J2, J3, J4
79
COM-13834
~
S_1, S_2, S_3, S_4, S_5, S_6, S_7, S_8 +71

PS-OHK design files

The KiCad project lives in the blueOkiris/ps-ohk repository on GitHub; these links point at the commit this page was built from.

PS-OHK: common questions

How big is the PS-OHK PCB?

The PS-OHK measures 252.8 × 229.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PS-OHK?

83 components, from 2 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 PS-OHK design files?

From the blueOkiris/ps-ohk 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 PS-OHK design in my own project?

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

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