Repository Index

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at

• tasmota
• firmware
• esp8266
• sonoff

TranslatedMy ultra-mini robotic arm project.

Affordable WiFi hacking platform for testing and learning

• wifi
• arduino
• attack
• esp8266

'Classic' FreeRTOS distribution. Started as Git clone of FreeRTOS SourceForge SVN repo. Submodules the kernel.

Open-source telemetry dashboard. Supports UART, BLE, MQTT, Modbus, CAN Bus and more.

• qt
• serial
• arduino
• embedded

U8glib library for monochrome displays, version 2

• u8g2
• microcontroller
• monochrome-displays
• font

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino

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

• arduino-library
• tft
• arduino
• stm32

FreeRTOS kernel files only, submoduled into https://github.com/FreeRTOS/FreeRTOS and various other repos.

TranslatedA highly scalable IoT operating system for the IoT field. For more information, visit the official website: https://www.aliyun.com/product/aliosthings

• iot
• embedded
• haas
• microcontroller

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino

The Network UPS Tools repository. UPS management protocol Informational RFC 9271 published by IETF at https://www.rfc-editor.org/info/rfc9271 Please star NUT on GitHub, this helps with sponsorships!

• management
• modbus
• monitoring
• netxml

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

• angle-of-arrival
• ble
• lvgl
• nrf53

STM32 core support for Arduino

• arduino
• stm32f1
• nucleo
• stm32f0

esp8266 wifi-serial bridge, outbound TCP, and arduino/AVR/LPC/NXP programmer

• mqtt
• serial
• esp-8266
• esp8266

Dump1090 is a simple Mode S decoder for RTLSDR devices

OpenMV Camera Module

Raspberry Pi Pico Arduino core, for all RP2040 and RP2350 boards

• raspberry
• pi
• pico
• arduino

Watchy - An Open Source E-Ink Smartwatch

• arduino
• arduino-library
• iot
• smartwatch

Adafruit GFX graphics core Arduino library, this is the 'core' class that all our other graphics libraries derive from

• arduino-library

Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, OGG/Opus, MP3, and AAC files on I2S DACs or with a software emulated delta-sigma DAC on the ESP8266 and ESP32 and Pico

• arduino
• esp8266
• mod
• wav

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

• arduino
• esp8266
• esp32
• 3d-printer

GUIslice drag & drop embedded GUI in C for touchscreen TFT on Arduino, Raspberry Pi, ARM, ESP8266 / ESP32 / M5stack using Adafruit-GFX / TFT_eSPI / UTFT / SDL

• adafruit-gfx
• sdl
• arduino
• raspberry-pi

ESP-SDR uses the undocumented raw I/Q capture functionality of ESP32 family chips to turn them into (low-duty-cycle) Software Defined Radios

• esp32
• sdr