2 open source boards using the PCA9306JK

Real designs built with the PCA9306JK, 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 PCA9306JK in open source designs

The gallery holds 2 open source boards using the PCA9306JK from 2 GitHub repositories; a typical one measures about 70.5 × 53.7 mm and carries around 81 components.

100% use four copper layers or more, and 100% carry an open source license.

The most starred is Watch-DevKit-HW by ZSWatch.

What boards using the PCA9306JK are built for

PCA9306JK: common questions

Where can I find a PCA9306JK reference design?

Each of the 2 boards on this page is a real design using the PCA9306JK. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

What parts are used alongside the PCA9306JK?

The APDS-9306-065, BMI270, BMP581, DRV2603RUNT and FAN5622SX appear in the most repositories here.

How big is a typical board using the PCA9306JK?

The median is 70.5 × 53.7 mm, and 0% are two-layer designs.

What is the most popular open source board using the PCA9306JK?

By GitHub stars, Watch-DevKit-HW by ZSWatch, with 187 stars.

Can I simulate one of these boards using the PCA9306JK 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.

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