Esp8266 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!

ESP8266 core for Arduino

Affordable WiFi hacking platform for testing and learning

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:

Lua based interactive firmware for ESP8266, ESP8285 and ESP32

ESP8266 WiFi Connection manager with web captive portal

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

A full functional WiFi NAT Router (and now also a WiFi Repeater)

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

High Performance Open Source Radio Control Link

A collection of scripts to flash Tuya IoT devices to alternative firmwares

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.

Latest ESP8266 SDK based on FreeRTOS, esp-idf style.

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

Easy MultiSensor device based on ESP8266/ESP32

Wireless keystroke injection attack platform

Home automation firmware for ESP8266-based devices

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

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...)

:musical_note: :rainbow: Real-time LED strip music visualization using Python and the ESP8266 or Raspberry Pi

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

Universal wireless communication library for embedded devices

*That Project's project repository

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

FastBee开源物联网平台，简单易用，可用于搭建物联网平台以及二次开发和学习。适用于智能家居、智慧办公、智慧社区、农业监测、水利监测、工业控制等。

A small Arduino library for GSM modules, that just works

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

arduinoWebSockets

Embedded JavaScript engine for C/C++

LedFx is a network based LED effect engine designed to deliver advanced real-time audio effects to a wide variety of devices.

Free and open (as much as possible) integrated SDK for ESP8266/ESP8285 chips

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

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.

ESP8266 firmware for performing deauthentication attacks, with ease.

WS2812 FX Library for Arduino and ESP8266

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

Native Apple HomeKit accessory implementation for the ESP8266 Arduino core.

Component library for ESP32-xx and ESP8266

Sming - powerful open source framework simplifying the creation of embedded C++ applications.

Software-only ESP8266 USB Device

ESP... The time has come to... Tasmotize!

ESP8266 RFID (RC522, PN532, Wiegand, RDM6300) Access Control system featuring WebSocket, JSON, NTP Client, Javascript, SPIFFS

Upload, save and run keystroke injection payloads with an ESP8266 + ATMEGA32U4

Blazing fast library to create a functional, on-device dashboard for ESP32, RP2040+W and RP2350+W microcontrollers

💡 ESP8266 framework for Homie, a lightweight MQTT convention for the IoT

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

MySensors library and examples

Creates up to a thousand WiFi access points with custom SSIDs.

⚡ The power of energy measurements in your house

AT application for ESP32/ESP32-C2/ESP32-C3/ESP32-C6/ESP8266

Integrated Development Environment (IDE) for ESP8266 developers

MQTT client library for ESP8266

Apple HomeKit accessory server library for ESP-OPEN-RTOS

ESP8266 Weather Station library supporting OpenWeatherMap, Aeris and other sources