2,612 open source STM32 boards
STMicroelectronics' Arm Cortex-M family, from the STM32F0 to the H7, plus STM8. Every board here is a public GitHub project with its KiCad files, read for size, layers and parts. Pick one close to your design and simulate its firmware on HardLabs before you build it.
STM32LumenPnP Motherboard
opulo-inc
149 × 95 mm296 parts4LCC-BY-SA-4.03.7k
STM32AxxSolder
AxxAxx
39 × 82.5 mm122 parts2LGPL-3.01.7k
STM32LibreVNA
jankae
122 × 98 mm592 parts6LGPL-3.01.6k
STM32AIOC
skuep
21 × 31.5 mm47 parts2LMIT1.4k
STM32Ferris
pierrechevalier83
208.8 × 86.8 mm102 parts2LSHL-2.11.3k
STM32Djinn
tzarc
192.3 × 150.5 mm216 parts2LCERN-OHL-S-2.0988
STM32Stmbl 4.0
rene-dev
100 × 100 mm412 parts2LGPL-3.0979
STM32XG Mobile Dock
osy
237.9 × 80.5 mm286 parts6LCC-BY-4.0703
STM32SuperPower-RPi
SensorsIot
65 × 56.5 mm98 parts2LCERN-OHL-W-2.0601
STM32Ethersweep
Neumi
79 × 38 mm97 parts2LMIT585
STM32L0
Luos-io
20.3 × 24.5 mm44 parts2LMIT547
STM32Transponder-12.0.1
peterantypas
90.4 × 25 mm115 parts4LGPL-3.0444
STM32Twonkie
dojoe
25.4 × 25.4 mm56 parts4LNo license415
STM32Main
apoluekt
73 × 139 mm121 parts2LCERN-OHL-P-2.0407
STM32USG
robertfisk
71 × 25 mm60 parts2LBSD-3-Clause407
STM32Cheap-FOCer-2
shamansystems
59.1 × 99.9 mm165 partsNo license405
STM32EEZ DIB MCU r1B2
eez-open
139 × 70 mm191 partsTAPR-OHL-1.0391
STM32NANDO
bbogush
48 × 41 mm40 parts2LGPL-3.0389
STM32OpenFlops
SukkoPera
111.6 × 59.4 mm76 parts2LCustom license376
STM32Huvud
bondus
42 × 42 mm116 parts4LGPL-3.0373
STM32Td deflect
tdaede
174 × 104 mm165 parts4LNo license370
STM32${DOC TYPE} Document
EPFLXplore
69.7 × 76.7 mm253 parts6LApache-2.0345
STM32LittleBrain-STM32F4-Sensorboard
pms67
55 × 55 mm82 parts4LNo license337
STM32StarlightEye
will127534
39 × 39 mm111 parts4LMIT318
STM32OtterIron Devkit
Jana-Marie
28 × 30 mm67 parts2LNo license316
STM32Echoplayer
amachronic
52 × 94 mm141 parts6LCERN-OHL-S-2.0279
STM32Orion - Control Board
AshishA26
70 × 82.4 mm69 parts2LNo license253
STM32Qaxe
shufps
89 × 137 mm192 parts4LCERN-OHL-S-2.0244
STM32PocketAdmin
krakrukra
15 × 31 mm25 parts2LMIT242
STM32Mppt-2420-lc
LibreSolar
114.5 × 60.5 mm141 partsCC-BY-SA-4.0233
STM32Pcbtc
lucysrausch
100 × 100 mm96 parts2LNo license223
STM32Plinkyblack hwmidi jacks
plinkysynth
121.9 × 109.2 mm261 parts4LMIT221
STM32MMDVM HS Dual Hat
phl0
65 × 56 mm117 parts2LNo license215
STM32Ligra back
106.7 × 106.7 mm55 parts2LCERN-OHL-S-2.0215
STM32Ovc
osrf
230 × 56 mm379 parts6LApache-2.0208
STM32Multistepper
eddyem
113.5 × 105.5 mm234 parts4LNo license206
Open source STM32 boards at a glance
The gallery holds 2612 open source STM32 boards from 1831 GitHub repositories; a typical one measures about 74 × 60.7 mm and carries around 79 components.
51% are two-layer designs, the rest use four layers or more, and 43% carry an open source license.
The most starred is LumenPnP Motherboard by opulo-inc.
Parts most used on STM32 boards
What STM32 boards are built for
Open source STM32 boards: common questions
Where can I find open source STM32 boards?
This page lists 2612, each read from its KiCad files on GitHub: board size, layers, the full parts list and a render of the PCB, with links to the original repository.
What parts are most common on STM32 boards?
The USBLC6-2SC6, AMS1117-3.3, STM32F103C8Tx, STM32F103C8T6 and STM32F405RGTx appear in the most repositories here.
How big is a typical STM32 board?
The median is 74 × 60.7 mm, and 51% are two-layer designs.
What is the most popular open source STM32 board?
By GitHub stars, LumenPnP Motherboard by opulo-inc, with 3,655 stars.
Can I simulate one of these STM32 boards 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.