Modules

Test Boards

Development Boards

Where to buy

Download Datasheets for ESP8266

Feature Set

Device architecture

Program Execution

Bootloader and Programming Interface

JTAG Debug Interface

ESP8266 GPIO Registers

ESP8266 GPIO Pin Allocations

ESP8266 Memory Map

ESP8266 Power Usage

ESP8266 Interrupts

Toolchain

Connecting The Board

Loading Firmware

Hardware SPI Information

Mode Changes

Arduino IDE

Visual Studio IDE

OSX

AT Commands

IGRR's AT Commands

Start with the ESP8266-12E and the Arduino tools

ESP8266 101 older low level version

NodeMCU development board

Over the Air information (OTA)

Lua

ESP8266Basic

Espruino JavaScript

Zerynth - Python for ESP8266

Raspberry Pi & ESP8266

Micro's Getting Started with LUA

wonderfulm3

esp-httpd

esp_mqtt - Native MQTT client (SSL Support)

espduino - MQTT client for Arduino over ESP8266 (AT Command)

esp8266-frankenstein - Alternative firmware with commandline interface

xpl-esp8266 - Example using FreeRTOS SDK

esp-wifi-dimmer - A $5 super tiny Wifi LED Dimmer

jumpwire.io - Free messaging cloud service with Websocket client for Arduino over ESP8266 (AT Command)

https://github.com/ajvdw/HexAJpod - ESP8266 based Hexapod

Esp8266_and_SD_Cards

http://tech.scargill.net/esp8266-arduino-netio-server-demo/ ESP8266 Arduino NetIO Server/Servo Demo

SUPLA - Open Source building automation system based on ESP8266

SUPLA - Firmware - WiFi-Socket firmware and Gate-Module firmware based on SUPLA project

Getting Started with Python for ESP8266 using Zerynth

https://www.allaboutcircuits.com/projects/make-a-web-server-with-esp8266/ - Make a Web Server with ESP8266

https://github.com/arendst/Sonoff-Tasmota - Provides ESP8266-based Sonoff-Tasmota firmware for iTead Sonoff, Wemos and NodeMCU hardware with Web, MQTT and OTA firmware using Arduino IDE or PlatformIO - See http://thehackbox.org/tasmota/ for more info on Sonoff-Tasmota

https://github.com/xoseperez/espurna - Home automation firmware for ESP8266-based devices - See http://tinkerman.cat for more info on ESPurna

https://github.com/letscontrolit/ESPEasy - The ESP Easy firmware can be used to turn the ESP module into an easy multifunction sensor device for Home Automation solutions - See https://www.letscontrolit.com/wiki/index.php/ESPEasy for more info on ESPEasy

http://www.andreadrian.de/ESP_Schachzwerg/index.html - A chess playing computer with touchscreen LCD user interface.