Esp32 Open Source Projects

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

Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!

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

Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. Marlin supports all common platforms. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

Arduino core for the ESP32 family of SoCs

A suite of WiFi/Bluetooth offensive and defensive tools for the ESP32

ESPHome is a system to control your ESP32, ESP8266, BK72xx, RP2040 by simple yet powerful configuration files and control them remotely through Home Automation systems.

Your Gateway to Embedded Software Development Excellence :alien:

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

Lua based interactive firmware for ESP8266, ESP8285 and ESP32

📟 JSON library for Arduino and embedded C++. Simple and efficient.

A low-power E-Paper weather display powered by an ESP32 microcontroller. Utilizes the OpenWeatherMap API.

An IoT Solution,Blinker library for embedded hardware. Works with Arduino R4, ESP32.

High Performance Open Source Radio Control Link

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

MQTT gateway for ESP8266 or ESP32 with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ thermometer compatibility & LoRa.

Blynk library for IoT boards. Works with Arduino, ESP32, ESP8266, Raspberry Pi, Particle, ARM Mbed, etc.

Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/

TypeScript for Tiny IoT Devices (ESP32, RP2040, ...)

ESP32DIV is a multi-purpose wireless offensive and defensive toolkit powered by an ESP32

Bluetooth LE Keyboard library for the ESP32 (Arduino IDE compatible)

Open source, local, and self-hosted Amazon Echo/Google Home competitive Voice Assistant alternative

Advanced firmware to add native Apple HomeKit and custom configurations, compatible with any SoC based on ESP32, ESP32-S, ESP32-C and ESP8266 series. (Shelly, Sonoff, Electrodragon, Tuya...)

Exploring possibilities of ESP32 platform to attack on nearby Wi-Fi networks.

Watchy - An Open Source E-Ink Smartwatch

A Simple ESP32 Bluetooth A2DP Library (to implement a Music Receiver or Sender) that supports Arduino, PlatformIO and Espressif IDF

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.

📶 A curated list of awesome ESP8266/32 projects and code

Sample ESP32 snippets and code fragments

Universal wireless communication library for embedded devices

*That Project's project repository

Low cost motion capture system for room scale tracking

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

A small Arduino library for GSM modules, that just works

Tiny Erlang VM

Driver for the SSD1306 and SH1106 based 128x64, 128x32, 64x48 pixel OLED display running on ESP8266/ESP32

Software for ESP32 to talk to Hoymiles/TSUN/Solenso Inverters

HomeKit Library for the Arduino-ESP32

Create your own AirTag with OpenHaystack, but without the need to own an Apple device

Embedded JavaScript engine for C/C++

An AI-enabled NAT Router/Firewall for the ESP32

Wifi & BLE driven passenger flow metering with cheap ESP32 boards

Next-gen open source ambient lighting system featuring a high-precision floating-point color pipeline breaking legacy RGB 24-bit limits. Includes advanced smoothing with inertia and adaptive temporal dithering for perfectly fluid, stable output to LEDs from any SDR or HDR video source. Supports Windows, macOS and Linux (x86 & RPi / ARM).

no_std Hardware Abstraction Layers for ESP32 microcontrollers

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

A port of Grbl CNC Firmware for ESP32

Mini Drone/Quadcopter Firmware for ESP32 and ESP32-S Series SoCs.

Multiplayer Bluetooth controllers adapter for retro video game consoles & computers

Open Source Remote Using ESP32 and LVGL

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.

ESP32 Display Controller (VGA, PAL/NTSC Color Composite, SSD1306, ST7789, ILI9341), PS/2 Mouse and Keyboard Controller, Graphics Library, Sound Engine, Game Engine and ANSI/VT Terminal

ESP32 Camera motion capture application to record JPEGs to SD card as AVI files and stream to browser as MJPEG. If a microphone is installed then a WAV file is also created. Files can be uploaded via FTP or downloaded to browser.

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

Play mp3 files from SD via I2S

Cooperative multitasking for Arduino, ESPx, STM32, nRF and other microcontrollers

Arduino library for creating MIDI controllers and other MIDI devices.

Native Apple HomeKit accessory implementation for the ESP8266 Arduino core.

Component library for ESP32-xx and ESP8266

A JavaScript-driven M5Stack-embedded super-kawaii robot.

NightDriver client for ESP32