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.
NXP
Clarinoid devboard
thenfour
257 × 174 mm112 parts2LNo license4NXP
Clarinoid bodytest
thenfour
258 × 28 mm106 parts2LNo license4Ctrl board
PiSCSI
65 × 34 mm27 parts2LBSD-3-Clause27
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
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.