13 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.
STM32Flatmcu
GyrocopterLLC
77.8 × 63.2 mm115 parts4LMIT40
STM32Mppt-2420-rc
LibreSolar
67.7 × 86.4 mm112 partsCC-BY-SA-4.018
STM32Usb pd mch hotplate
quasiengineer
62.5 × 62 mm38 parts2LNo license6
STM32Reaction wheel controller
vatsalbansal123
48.6 × 49.6 mm45 parts2LNo license2
STM32Esc hw rev2
V2gkr
82.6 × 55 mm103 parts6LNo license1
STM32GaiForgeWeb-
GaiaForge
104.9 × 78 mm81 parts2LNo license1
STM32Foc
katherinesiyuchen-sys
77.9 × 34.2 mm73 parts2LMIT1
STM32Axon
paulodietricheng
43.9 × 55.6 mm67 parts4LNo license1
STM32Mppt-4820-hc
intrinsicaly
100 × 100 mm140 partsCERN-OHL-W-2.00
STM32NMEA-2000-Battery-Power
hoellwerth
180.3 × 100.3 mm96 parts4LNo license0- schematic only · 1 partsSTM32
Stm32g4-automotive devboard
phoenix-prog
1 partsMIT0 
STM32SuperCapPowerBoard G431 Lite V1
evil0knight
60 × 40 mm124 parts4LNo license5
STM32NX J401 Adapter
RealtimeRoboticsGroup
119.6 × 99.2 mm127 parts4LSHL-2.11
The STM32G431CBTx in open source designs
The gallery holds 13 open source boards using the STM32G431CBTx from 13 GitHub repositories; a typical one measures about 77.9 × 62.6 mm and carries around 96 components.
60% use four copper layers or more, and 38% carry an open source license.
The most starred is Flatmcu by GyrocopterLLC.
Parts used alongside the STM32G431CBTx
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 13 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 (13).
How big is a typical board using the STM32G431CBTx?
The median is 77.9 × 62.6 mm, and 40% 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.