4 open source boards using the STM32G431CBTx

Real designs built with the STM32G431CBTx, 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 STM32G431CBTx in open source designs

The gallery holds 4 open source boards using the STM32G431CBTx from 4 GitHub repositories; a typical one measures about 65.1 × 62.6 mm and carries around 114 components.

67% use four copper layers or more, and 50% carry an open source license.

The most starred is Flatmcu by GyrocopterLLC.

Microcontrollers on boards using the STM32G431CBTx

What boards using the STM32G431CBTx are built for

STM32G431CBTx: common questions

Where can I find a STM32G431CBTx reference design?

Each of the 4 boards on this page is a real design using the STM32G431CBTx. 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 STM32G431CBTx use?

Most are built on STM32 (4).

How big is a typical board using the STM32G431CBTx?

The median is 65.1 × 62.6 mm, and 33% are two-layer designs.

What is the most popular open source board using the STM32G431CBTx?

By GitHub stars, Flatmcu by GyrocopterLLC, with 40 stars.

Can I simulate one of these boards using the STM32G431CBTx 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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