2 open source boards using the STM32F103RB
Real designs built with the STM32F103RB, 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.
STM32Hubble metal detector
zartarn15
80 × 74 mm140 parts2LNo license2
STM32Blackmagic clone
sergiomd4
43.6 × 27 mm41 parts2LCC0-1.01
The STM32F103RB in open source designs
The gallery holds 2 open source boards using the STM32F103RB from 2 GitHub repositories; a typical one measures about 61.8 × 50.5 mm and carries around 91 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Hubble metal detector by zartarn15.
Microcontrollers on boards using the STM32F103RB
STM32F103RB: common questions
Where can I find a STM32F103RB reference design?
Each of the 2 boards on this page is a real design using the STM32F103RB. 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 STM32F103RB use?
Most are built on STM32 (2).
How big is a typical board using the STM32F103RB?
The median is 61.8 × 50.5 mm, and 100% are two-layer designs.
What is the most popular open source board using the STM32F103RB?
By GitHub stars, Hubble metal detector by zartarn15, with 2 stars.
Can I simulate one of these boards using the STM32F103RB 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.