2 open source boards using the PCA9543APWR
Real designs built with the PCA9543APWR, 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.
STM32
OBCProto
Kmshanley
89 × 54 mm110 parts4LGPL-3.03CapSenseQuadro
drbz-zhou
30 × 51.3 mm76 parts2LNo license0
The PCA9543APWR in open source designs
The gallery holds 2 open source boards using the PCA9543APWR from 2 GitHub repositories; a typical one measures about 59.5 × 52.7 mm and carries around 93 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is OBCProto by Kmshanley.
Microcontrollers on boards using the PCA9543APWR
What boards using the PCA9543APWR are built for
PCA9543APWR: common questions
Where can I find a PCA9543APWR reference design?
Each of the 2 boards on this page is a real design using the PCA9543APWR. 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 PCA9543APWR use?
Most are built on STM32 (1).
How big is a typical board using the PCA9543APWR?
The median is 59.5 × 52.7 mm, and 50% are two-layer designs.
What is the most popular open source board using the PCA9543APWR?
By GitHub stars, OBCProto by Kmshanley, with 3 stars.
Can I simulate one of these boards using the PCA9543APWR 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.