LVGL is a free, full-featured embedded UI library for devices from small MCUs to 3D-capable MPUs, enhanced by LVGL Pro, a professional editor and tooling.

c linux arduino ui cpp display esp32 stm32 hmi touchscreen oled-display graphics-library nxp zephyr tft-display renesas lvgl embedded-ui e-ink-display lvgl-pro

• Updated Nov 11, 2026
• C

Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.

arduino avr arm microcontroller gpio i2c esp32 llvm adafruit stm32 webassembly wasm spi microbit nrf52 samd21 nrf51 wasi tinygo

• Updated Nov 12, 2026
• Go

Flipper Zero firmware source code

flipper firmware stm32 rfid nfc ble infrared onewire armv7m subghz flipperzero

• Updated Nov 8, 2026
• C

A curated list of awesome embedded programming.

raspberry-pi machine-learning awesome microcontroller embedded ai stm32 freertos msp430 tiva-c-series beaglebone bootloader operating-systems rtos autosar linux-programming tm4c123 embedded-gui embedded-ai

• Updated Oct 10, 2026

The official firmware for Meshtastic, an open-source, off-grid mesh communication system.

mesh-networks esp32 gps stm32 mesh lora hiking pico nrf52 off-grid ttgo heltec ttgo-tbeam meshtastic rp2040

• Updated Nov 12, 2026
• C++

RogueMaster Flipper Zero Firmware

flipper games jailbreak stm32 ble bluetooth-low-energy pentesting hacker onewire armv7m cfw custom-firmware security-tools flipperzero flipper-zero flipperzer0 roguemaster

• Updated Nov 12, 2026
• C

Open source STM32 MCU programming toolset

arm microcontroller embedded board cortex-m stm32 gdb trace chip toolset mcu stlink semihosting nucleo

• Updated Oct 9, 2026
• C

A bare metal programming guide (ARM microcontrollers)

arm tutorial gpio webserver gcc stm32 make uart ethernet cmsis irq baremetal embedded-webserver embedded-web-server

• Updated Jul 3, 2026
• C

Arduino and PlatformIO IDE compatible TFT library optimised for the Raspberry Pi Pico (RP2040), STM32, ESP8266 and ESP32 that supports different driver chips

arduino esp8266 esp32 stm32 arduino-library spi tft ttgo tft-displays rp2040 raspberry-pico

• Updated Apr 3, 2026
• C

Open source ARM Cortex-M microcontroller library

microcontrollers cortex-m stm32 libopencm3 msp432 atmel-sam efm32 gd32 microchip-sam

• Updated Nov 6, 2026
• C

AWTK = Toolkit AnyWhere(a cross-platform embedded GUI)

gui embedded stm32 rt-thread zephyr liteos sylixos djyos ms-rtos

• Updated Nov 12, 2026
• C

A Toolbox companion for QMK Firmware

macos avr stm32 atmel qmk dfu qmk-firmware caterina

• Updated Aug 20, 2026
• C#

🚁 轻量级无人机飞控-[Drone]-[STM32]-[PID]-[BLDC]

arm hardware stm32 flight-controller imu freertos drones kicad pcb-layout

• Updated Oct 3, 2023
• C

PJON (Padded Jittering Operative Network) is an experimental, arduino-compatible, multi-master, multi-media network protocol.

home-automation mqtt iot rpi arduino esp8266 attiny teensy networking protocol esp32 stm32 lora lorawan samd

• Updated Nov 21, 2025
• C++

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.

iot aws esp8266 firmware esp32 stm32 iot-platform aws-iot cc3200

• Updated Oct 14, 2026
• C

A powerful Smart Watch based on STM32, FreeRTOS, LVGL.

stm32 freertos smartwatch lvgl

• Updated May 26, 2026
• C

Open Source scanning laser rangefinder

laser stm32 triangulation ros lidar diy

• Updated Jul 22, 2025
• C

Keil projects and libraries for STM32F4xx devices

microcontrollers stm32 discovery-board stmicroelectronics

• Updated Dec 16, 2022
• C

Tiny Erlang VM

c erlang elixir embedded esp32 stm32 hacktoberfest

• Updated Nov 11, 2026
• Erlang

Open source materials for a novel structured legged robot, including mechanical design, electronic design, algorithm simulation, and software development. | 一个新型结构的轮腿机器人开源资料，包含机械设计、电子设计、算法仿真、软件开发等材料

android robot fpv esp32 stm32 solidworks foc simscape-multibody

• Updated Nov 23, 2023
• C