The official git repository for Contiki, the open source OS for the Internet of Things

A tiny (803KB) but mighty timer in pure C. Supports clock, countdown, stopwatch, Pomodoro, and fully customizable tray animations (GIFs, CPU/Mem%).

Open source ARM Cortex-M microcontroller library

Eclipse ThreadX is an advanced real-time operating system (RTOS) designed specifically for deeply embedded applications.

Firmware for Pinetime smartwatch written in C++ and based on FreeRTOS

ZSWatch - the Open Source Zephyr™ based Smartwatch, including both HW and FW.

The VESC motor control firmware

Clean-code version of the baseflight flight controller firmware

Mongoose OS - an IoT Firmware Development Framework. Supported microcontrollers: ESP32, ESP8266, CC3220, CC3200, STM32F4, STM32L4, STM32F7. Amazon AWS IoT, Microsoft Azure, Google IoT Core integrat…

Watchy - An Open Source E-Ink Smartwatch

Sample ESP32 snippets and code fragments

Espressif Advanced Development Framework for Multimedia Applications

EdgeTX is the cutting edge open source firmware for your R/C radio

FW for ESP8266/ESP8285/ESP32 used with 3D printer

Alternative IP Camera firmware from an open community

rtl88x2bu driver updated for current kernels.

Realtek RTL8811CU/RTL8821CU USB Wi-Fi adapter driver for Linux

STM32 examples for USART using DMA for efficient RX and TX transmission

Paparazzi is a free and open-source hardware and software project for unmanned (air) vehicles. This is the main software repository.

With Field Oriented Control (FOC)

Realtek RTL88x2BU WiFi USB Driver for Linux

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

Real-time embedded variable & trace viewer

Lua RTOS for ESP32

bladeRF USB 3.0 Superspeed Software Defined Radio Source Code

Lua sdk for Esp32/Esp32c2/Esp32c3/Esp32c6/Esp8266/STM32L4

Low-cost LS/FS/HS USB sniffer with Wireshark interface

WiFi Hash Purple Monster, store EAPOL & PMKID packets in an SD CARD using a M5STACK / ESP32 device

A set of 3D-printed headphones, alongside a DAC/amp/EQ board powered by a Raspberry Pico.