2 open source boards using the C128392

Real designs built with the C128392, 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 C128392 in open source designs

The gallery holds 2 open source boards using the C128392 from 2 GitHub repositories; a typical one measures about 263 × 136.3 mm and carries around 126 components.

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

The most starred is SimplyKeeb-60K by geaz.

Microcontrollers on boards using the C128392

What boards using the C128392 are built for

Keyboards 1

C128392: common questions

Where can I find a C128392 reference design?

Each of the 2 boards on this page is a real design using the C128392. 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 C128392 use?

Most are built on RP2040/RP2350 (1) and STM32 (1).

How big is a typical board using the C128392?

The median is 263 × 136.3 mm, and 100% are two-layer designs.

What is the most popular open source board using the C128392?

By GitHub stars, SimplyKeeb-60K by geaz, with 40 stars.

Can I simulate one of these boards using the C128392 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.