HardLabs

PC9505 Breakout Board

blueOkiris·ps-ohk·pca9505dggy-breakout-pcb/pca9505dggy-breakout.kicad_pcb

PC9505 Breakout Board layout, top view — open source board by blueOkiris
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About the PC9505 Breakout Board

PC9505 Breakout Board is an open source PCB design by blueOkiris, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 33 × 73.7 mm, with 3 components from 2 distinct parts.

Other key parts include the PCA9505DGGY. By type, the board carries 2 connectors and 1 IC.

It belongs with the keyboards and dev boards & breakouts 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

PC9505 Breakout Board, from the project README
From the project README

Main components on the PC9505 Breakout Board

PCA9505DGGY

PC9505 Breakout Board bill of materials (BOM)

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

QtyPartRefs
1
PCA9505DGGY
IC1
2
~
J1, J2

PC9505 Breakout Board 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.

PC9505 Breakout Board: common questions

How big is the PC9505 Breakout Board?

The PC9505 Breakout Board measures 33 × 73.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PC9505 Breakout Board?

3 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 PC9505 Breakout Board 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 PC9505 Breakout Board 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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