3 open source boards using the PCA9554APW,118

Real designs built with the PCA9554APW,118, 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.

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The PCA9554APW,118 in open source designs

The gallery holds 3 open source boards using the PCA9554APW,118 from 2 GitHub repositories; a typical one measures about 257 × 34 mm and carries around 106 components.

100% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.

The most starred is Ctrl board by PiSCSI.

Microcontrollers on boards using the PCA9554APW,118

NXP 2

What boards using the PCA9554APW,118 are built for

PCA9554APW,118: common questions

Where can I find a PCA9554APW,118 reference design?

Each of the 3 boards on this page is a real design using the PCA9554APW,118. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

Which microcontrollers do boards using the PCA9554APW,118 use?

Most are built on NXP (2).

How big is a typical board using the PCA9554APW,118?

The median is 257 × 34 mm, and 100% are two-layer designs.

What is the most popular open source board using the PCA9554APW,118?

By GitHub stars, Ctrl board by PiSCSI, with 27 stars.

Can I simulate one of these boards using the PCA9554APW,118 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.