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Top 23 C Stm32 Projects
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Flipper BadUSB: A DuckyScript 2.x compatible language that runs on the flipper hacking device.
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TFT_eSPI
Arduino and PlatformIO IDE compatible TFT library optimised for the Raspberry Pi Pico (RP2040), STM32, ESP8266 and ESP32 that supports different driver chips
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mongoose-os
Mongoose OS - an IoT Firmware Development Framework. Supported microcontrollers: ESP32, ESP8266, CC3220, CC3200, STM32F4, STM32L4, STM32F7. Amazon AWS IoT, Microsoft Azure, Google IoT Core integrated. Code in C or JavaScript.
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PikaPython
An ultra-lightweight Python interpreter that runs with only 4KB of RAM, zero dependencies. It is ready to use out of the box without any configuration required and easy to extend with C. Similar project: MicroPython, JerryScript.
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stm32-ssd1306
STM32 library for working with OLEDs based on SSD1306, SH1106, SH1107 and SSD1309, supports I2C and SPI
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stm32-bootloader
Customizable Bootloader for STM32 microcontrollers. This example demonstrates how to perform in-application-programming of a firmware located on an external SD card with FAT32 file system.
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logue-sdk
This repository contains all the files and tools needed to build custom oscillators and effects for the prologue synthesizer.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C Stm32 discussion
C Stm32 related posts
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Show HN: Uprintf a universal stb-style printf implementation for C (no OS)
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A note on the USB-to-PS/2 mouse adapter that came with Microsoft mouse devices
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Tactility: OS for the ESP32 Microcontroller Family
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Sliding Puzzle Next Move Suggesting Simple DL Model with ESP32 TensorFlow Lite
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Test
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Open-Source Flipper Zero Firmware: Unlock Your Device's Full Potential
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Turn ESP32-CAM into a Snapshot Taker, for Selfies and Time-Lapse Pictures
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A note from our sponsor - SaaSHub
www.saashub.com | 10 Jun 2026
Index
What are some of the best open-source Stm32 projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | flipperzero-firmware | 16,111 |
| 2 | flipperzero-firmware-wPlugins | 6,243 |
| 3 | stlink | 5,076 |
| 4 | TFT_eSPI | 4,779 |
| 5 | bare-metal-programming-guide | 4,699 |
| 6 | libopencm3 | 3,590 |
| 7 | awtk | 3,292 |
| 8 | mongoose-os | 2,652 |
| 9 | stm32f429 | 2,444 |
| 10 | stm32-usart-uart-dma-rx-tx | 1,781 |
| 11 | PikaPython | 1,725 |
| 12 | e-Paper | 1,688 |
| 13 | AxxSolder | 1,513 |
| 14 | MCUViewer | 1,462 |
| 15 | NanoVNA | 1,347 |
| 16 | Arduino_GFX | 1,110 |
| 17 | stm32-ssd1306 | 1,084 |
| 18 | stm32-bootloader | 1,035 |
| 19 | logue-sdk | 1,014 |
| 20 | opendps | 953 |
| 21 | WatchX | 901 |
| 22 | OpenRTX | 869 |
| 23 | nanoMODBUS | 856 |
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