141 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.
STM32TurboCAN
henrikssn
43 × 43 mm84 parts2LNo license82
STM32WolfieMouse
kbumsik
100 × 74 mm104 parts2LNo license78
STM32Steamvan
jmdaly
243.4 × 76.7 mm187 parts2LCC-BY-SA-4.077
STM32Delta
Scottapotamas
199.9 × 69.3 mm231 parts4LNo license51
STM32LMS8001 App
myriadrf
60 × 60 mm282 partsNo license50
STM32Oscar components
dchwebb
71 × 100 mm63 parts4LUnlicense38
STM32LMS8001-Companion
75.9 × 96 mm350 partsNo license36
STM32Shirley-FC-Dev-Board
Bare-Metal-Foundry
56 × 46 mm110 parts4LNo license29
STM32Mist
modern-hobbyist
372.1 × 141.2 mm445 parts2LMIT25
STM32FreeEEG32-alpha1.5
neuroidss
70 × 70 mm192 parts4LAGPL-3.023
STM32BigBoy
transistorfet
160 × 100 mm120 parts4LMIT17
STM32CanardBoard
waterloo-rocketry
100 × 70 mm244 parts6LGPL-3.014
STM32ChibiESC
joewa
143.5 × 14 mm187 parts4LGPL-3.010
STM32Quantum control
embeddedos-org
280 × 200 mm740 parts16LMIT8
STM32Hdmilight v3
esar
100 × 100 mm249 parts2LGPL-2.08
STM32Fipper Zero
aaakum4
126 × 70 mm70 parts4LGPL-3.08
STM32Main
wgbowley
60 × 40 mm59 parts2LMIT8- schematic only · 9 partsSTM32
MetaForge
FidelOdok
9 partsCustom license8 
STM32Stm32mp1-custom devboard
voloviq
120 × 80.6 mm194 parts4LNo license7
STM32DC26
dodgymike
129.1 × 142.3 mm678 parts2LNo license6
STM32Muirgen Main Control Unit
Tuskar-Marine
280 × 200 mm381 parts4LNo license6
STM32Usb fm radio
anttikes
58.8 × 29.5 mm36 parts4LCC-BY-NC-4.06
STM32Knox-Key
Kingdragoncat
31.2 × 17.1 mm29 parts2LGPL-3.05
STM32Bd845-pwb board
bluedot-arcade
185 × 110 mm172 parts4LCERN-OHL-S-2.04
STM32Module 16S
stuartpittaway
71.1 × 89.6 mm113 parts4LCC-BY-NC-4.01.1k
STM32Ghoul
tzarc
228.6 × 79.4 mm163 parts2LCERN-OHL-S-2.0988
STM32Transponder-11.9.1
peterantypas
84 × 25 mm109 parts4LGPL-3.0444
STM32EEZ DIB MCU r1B1
eez-open
139 × 70 mm190 partsTAPR-OHL-1.0391
STM32VESC Controller
paltatech
160 × 90 mm336 parts4LNo license354
STM32OtterIron PRO Bot
Jana-Marie
50 × 20.5 mm43 parts2LNo license316
STM32Nitrogen
eddyem
80 × 80 mm136 parts4LNo license206
STM32FreeEEG32-beta
70 × 70 mm192 parts4LAGPL-3.0164
STM32Sun sensor test
rgw3d
132.7 × 37.3 mm151 parts2LGPL-3.0155
STM32MicroRusEfi
rusefi
267 × 300 mm235 parts2LNo license97
STM32Displayunit
muccc
155 × 69.8 mm143 parts4LGPL-3.084
STM32SDRAM six layer draft JLC06161H-2116A
rjwalters
100 × 80 mm43 parts6LMIT63
Browse boards by part
AMS1117-3.3 53RP2040 49USBLC6-2SC6 37TL072 35TL074 29W25Q128JVSIQ 27AP2112K-3.3 24LAN8710A-EZC(QFN32) 24USBLC6-2P6 21CH340T(SSOP20W) 1874HC595 17SY8089AAAC(SOT23-5) 16XC6206P332MR 16AMS1117-5.0 15SRV05-4 1574HC4051 14BME280 14ESP32-S3-WROOM-1 14BL4054B-42TPRN(SOT23-5) 13ESP-WROOM-32 13SN65HVD230 13W25Q128JVS 12LM358 11W25Q32JVSS 11