4 open source boards using the STM32F042F4Px
Real designs built with the STM32F042F4Px, 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.
STM32Kroneum
azasypkin
30 × 30 mm19 parts2LMIT47
STM32Stm32-pocket console
sini6a
70 × 97 mm52 parts2LNo license15
ESP32Pcb
brainsmoke
60 × 50 mm69 parts2LNo license11
STM32Uuart
18 × 11 mm15 parts2LNo license3
The STM32F042F4Px in open source designs
The gallery holds 4 open source boards using the STM32F042F4Px from 4 GitHub repositories; a typical one measures about 45 × 40 mm and carries around 36 components.
100% are two-layer designs, the rest use four layers or more, and 25% carry an open source license.
The most starred is Kroneum by azasypkin.
What boards using the STM32F042F4Px are built for
STM32F042F4Px: common questions
Where can I find a STM32F042F4Px reference design?
Each of the 4 boards on this page is a real design using the STM32F042F4Px. 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 STM32F042F4Px use?
Most are built on STM32 (3) and ESP32 (1).
How big is a typical board using the STM32F042F4Px?
The median is 45 × 40 mm, and 100% are two-layer designs.
What is the most popular open source board using the STM32F042F4Px?
By GitHub stars, Kroneum by azasypkin, with 47 stars.
Can I simulate one of these boards using the STM32F042F4Px 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.