2,258 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.
STM32Earth-Field-NMR
fmarrabal
100 × 100 mm103 parts2LMIT5
STM32VideoFrame
ts-manuel
80 × 50 mm103 parts4LGPL-3.05
STM32Node
stustanet
75 × 87 mm99 parts2LNo license5
STM32Led controller hardware
markus-k
100 × 67 mm88 parts2LTAPR-OHL-1.05
STM32Stm8s005-iot devboard
dilshan
87.9 × 55.4 mm82 parts2LGPL-2.05
STM32TET-Module
ICDT-Inatel-Cubesat-Design-Team
90.2 × 95.9 mm76 parts4LCERN-OHL-W-2.05
STM32OtterStepMini
Jana-Marie
68.4 × 50 mm63 parts4LNo license5
STM32Stm32c5-bluepill
thomashamain
53.3 × 22.9 mm63 parts2LCC-BY-SA-4.05
STM32Harpia FC
gabs911
86 × 56.7 mm62 parts2LNo license5
STM32Abex megaram
gianlucarenzi
135.5 × 71.5 mm57 parts2LGPL-2.05
STM32Hardware
leelili444
45 × 40 mm56 parts4LNo license5
STM32Nitrokey Pro
Nitrokey
21.8 × 16.3 mm39 partsNo license5
STM32Sdi12-adapter
z4ika
52.5 × 30.3 mm37 parts4LAGPL-3.05
STM32Rcl57 mcu psu bp7
tomcircuit
39.2 × 37 mm35 parts4LNo license5
STM32Soldering station
microbug
70 × 50 mm30 parts2LMIT5
STM32Knox-Key
Kingdragoncat
31.2 × 17.1 mm29 parts2LGPL-3.05
STM32Pennyesc
qwertpas
15.9 × 14 mm17 parts4LMIT5- schematic only · 53 partsSTM32
Wmd6c servo
ChipCreates
53 partsMIT5 
STM32Io master
csinko
170 × 100 mm498 parts4LMIT4
STM32Maslab
maslab-5
99.1 × 99.1 mm317 parts4LNo license4
STM32OzzyBoard
vbalsan
100 × 100 mm278 parts4LGPL-2.04
STM32Asynth2Osc
everedero
83 × 106 mm204 parts4LGPL-3.04
STM32Elec Anything2EtherCAT
pollen-robotics
60 × 70.3 mm200 parts4LApache-2.04
STM32Faderbay
vonmartins
360 × 140 mm174 parts4LNo license4
STM32Bd845-pwb board
bluedot-arcade
185 × 110 mm172 parts4LCERN-OHL-S-2.04
STM32EcoApi BeeHiveMonitoring
EcoApi
90.6 × 58 mm166 parts2LGPL-3.04
STM32VoidHHKB-Solder
hungrygeek
286.4 × 96.2 mm155 parts2LNo license4
STM32BigSur
ParadigmHyperloop
196.4 × 70 mm145 parts2LCustom license4
STM32VESC-6
veazhang
62 × 60 mm143 parts4LNo license4
STM32MPPT-Charger 20A
AJEngineering
114.5 × 60.5 mm141 partsCC-BY-SA-4.04
STM32Lre avio daq2
IITB-Rocket-Team-Avionics
4.5 × 13.4 mm136 parts2LMIT4
STM32Armpoe
zeroping
3.6 × 3.6 mm119 parts2LNo license4
STM32STMPS
tetious
85.9 × 44.7 mm113 parts2LNo license4
STM32Avionics14
cuspaceflight
89.5 × 48 mm110 parts2LNo license4
STM32USB-Keyboard
andreili
99.1 × 99.4 mm107 parts4LGPL-3.04
STM32Dreamscape-F722
sneakylizard123-4
40 × 40 mm104 parts4LNo license4
Browse boards by part
AMS1117-3.3 1034USBLC6-2SC6 836RP2040 609W25Q128JVS 388TL072 309AP2112K-3.3 308TL074 274ESP32-S3-WROOM-1 266CH340C 242L7805 224Pico 21874HC595 213USBLC6-2P6 200LM358 19074LS04 175AP2112K-3.3TRG1 173ESP32-WROOM-32 167SRV05-4 165Arduino_Nano_v3.x 15974LS245 156LM7805_TO220 15574LS138 152W25Q128JVSIQ 15174LS32 148