2 open source boards using the STM32F103R8Tx

Real designs built with the STM32F103R8Tx, 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 STM32F103R8Tx in open source designs

The gallery holds 2 open source boards using the STM32F103R8Tx from 2 GitHub repositories; a typical one measures about 75 × 80 mm and carries around 89 components.

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

The most starred is STM32F103RB USB to UART SPI I2C by Stulinaz.

Microcontrollers on boards using the STM32F103R8Tx

What boards using the STM32F103R8Tx are built for

STM32F103R8Tx: common questions

Where can I find a STM32F103R8Tx reference design?

Each of the 2 boards on this page is a real design using the STM32F103R8Tx. 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 STM32F103R8Tx use?

Most are built on STM32 (2).

How big is a typical board using the STM32F103R8Tx?

The median is 75 × 80 mm, and 50% are two-layer designs.

What is the most popular open source board using the STM32F103R8Tx?

By GitHub stars, STM32F103RB USB to UART SPI I2C by Stulinaz, with 23 stars.

Can I simulate one of these boards using the STM32F103R8Tx 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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