4 layers234 × 84 mm
Main panel
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
234 parts3kApache-2.0
STM32 boards
8,734 boards8,734 open-source STM32 boards from 6,080 GitHub repositories, each designed in KiCad and read from its files: its size, layers, parts, README and project.
They have a median size of 79 × 51 mm and most often 2 copper layers (58 %). The parts their repositories use most are the AMS1117-3.3, USBLC6-2SC6, STM32F103C8T6, AO3401A and AP2112K-3.3.
Parts they use most
- 2 layers26.2 × 45.5 mm
PL18 multiprotocol
pascallanger/DIY-Multiprotocol-TX-Module
Multiprotocol TX Module (or MULTI-Module) is a 2.4GHz transmitter module which controls many different receivers and models.
24 parts1.9kGPL-3.0 - 2 layers35.6 × 58.2 mm
Display Carrier
AxxAxx/AxxSolder
STM32 Based soldering station for JBC cartridges, 9-24 VDC and USB-PD power
7 parts1.7kGPL-3.0 - 6 layers122 × 98 mm
- 2 layers21 × 31.5 mm
- 6 layers56 × 56 mm
- 2 layers208.8 × 396.9 mm
Ferris
pierrechevalier83/ferris
A low profile split keyboard designed to satisfy one single use case elegantly
145 parts1.3k - 4 layers85 × 56 mm
- 4 layers101.6 × 119.6 mm
- 2 layers101.8 × 57.8 mm
Sc64v2
Polprzewodnikowy/SummerCart64
SummerCart64 - a fully open source N64 flashcart
96 parts1.2kGPL-3.0 - 4 layers38 × 39 mm
CLN17-V1.5
creapunk/CLN-ClosedLoopNemaDriver
Compact closed-loop stepper motor driver designed for NEMA motors
103 parts1.1k - 4 layers100.1 × 60.2 mm
Hades
pms67/HadesFCS
Complete flight control system designed from scratch. Hardware designed with KiCad.
215 parts1kBSD-3-Clause - 2 layers192.2 × 150.5 mm
- 4 layers59.2 × 66 mm
- 4 layers21 × 51 mm
Easyduino RP2040
Hanqaqa/Easyduino
Easily dive into different PCB KiCad designs of the most popular microcontroller devboards
65 parts755CERN-OHL-P-2.0 - 6 layers237.9 × 80.5 mm
XG Mobile Dock
osy/XG_Mobile_Station
Open source eGPU dock for ROG Ally and ROG Flow
300 parts712CC-BY-4.0 - 2 layers65 × 56.5 mm
SuperPower RPi KiCAD
SensorsIot/SuperPower
Here you should find the best power supplies for your low-power projects
122 parts600 - 2 layers79 × 38 mm
Ethersweep
Neumi/ethersweep
Open Source, easy to use Ethernet connected stepper motor controller. Built in FreeCAD, KiCAD and Arduino.
111 parts587 - 2 layers20.3 × 24.5 mm
Examples
Luos-io/luos_engine
Open-source and real-time orchestrator for cyber-physical-systems, to easily design, test and deploy embedded applications and digital twins.
46 parts546MIT - 4 layers41.3 × 19 mm
- 4 layers25.4 × 25.4 mm
Twonkie
dojoe/Twonkie
A USB-PD sniffer/injector/sink based on Google's Twinkie, re-designed to be manufactured by mere mortals.
62 parts415 - 2 layers73 × 139 mm
OpenRPNCalc
apoluekt/OpenRPNCalc
Open-source and open-hardware scientific RPN calculator
141 parts414CERN-OHL-P-2.0 - 2 layers148 × 84.5 mm
Panel daisy
ohmtech-rdi/eurorack-blocks
Software to Hardware Prototyping for Eurorack using C++, Max/Gen~ or Faust
259 parts410 - 2 layers71 × 25 mm
Questions
Where can I find open-source STM32 boards?
This page lists 8,734, from 6,080 repositories on GitHub, each read from its KiCad files with links to the original repository; PCBKit opens any of them in the browser.
What parts are most common on STM32 boards?
The AMS1117-3.3, USBLC6-2SC6, STM32F103C8T6, AO3401A and AP2112K-3.3 appear in the most repositories here; each links to its symbol, footprint and the boards that use it.
How big is a typical STM32 board?
The median is 79 × 51 mm, most often with 2 copper layers (58 %).