2 open source boards using the STM32F103

Real designs built with the STM32F103, 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 STM32F103 in open source designs

The gallery holds 2 open source boards using the STM32F103 from 2 GitHub repositories; a typical one measures about 141.6 × 63.7 mm and carries around 108 components.

50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.

The most starred is ALL by eddyem.

Microcontrollers on boards using the STM32F103

STM32F103: common questions

Where can I find a STM32F103 reference design?

Each of the 2 boards on this page is a real design using the STM32F103. 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 STM32F103 use?

Most are built on STM32 (2).

How big is a typical board using the STM32F103?

The median is 141.6 × 63.7 mm, and 50% are two-layer designs.

What is the most popular open source board using the STM32F103?

By GitHub stars, ALL by eddyem, with 6 stars.

Can I simulate one of these boards using the STM32F103 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.

Browse boards by part