1 open source board using the PCA9555PW
Real designs built with the PCA9555PW, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
The PCA9555PW in open source designs
The gallery holds 1 open source boards using the PCA9555PW from 1 GitHub repository; a typical one measures about 90 × 66 mm and carries around 139 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is SensactInpExt2 by klaus-liebler.
PCA9555PW: common questions
Where can I find a PCA9555PW reference design?
Each of the 1 boards on this page is a real design using the PCA9555PW. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the PCA9555PW?
The median is 90 × 66 mm, and 100% are two-layer designs.
What is the most popular open source board using the PCA9555PW?
By GitHub stars, SensactInpExt2 by klaus-liebler, with 4 stars.
Can I simulate one of these boards using the PCA9555PW before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.