Bonne doc “officielle” :
Installation
https://esp8266.github.io/Arduino/versions/2.0.0/doc/installing.html
Reference code
https://esp8266.github.io/Arduino/versions/2.0.0/doc/reference.html
Github
https://github.com/esp8266/Arduino

Alice : Quick Start (schematics and little explainations) http://rancidbacon.com/files/kiwicon8/ESP8266_WiFi_Module_Quick_Start_Guide_v_1.0.4.pdf

Other quick start https://www.hackster.io/rayburne/esp8266-01-using-arduino-ide-67a124

Sparkfun tutorial with Arduino IDE https://learn.sparkfun.com/tutorials/esp8266-thing-hookup-guide/installing-the-esp8266-arduino-addon

Tutoriel control de LEDs à distance http://blog.nyl.io/esp8266-led-arduino/ https://github.com/neuralfirings/esp8266led