Une info ici pour l'utilisation de l'ARDUCAM ESP8266 dans l'IDE Arduino
Getting Started ESP8266 with Arduino IDE
ArduCAM released a add-on package which allows installation of third-party platform packages using Boards Manager.
Add the following URL to the Arduino IDE Preferences window.
Then Open Boards Manager from Tools -> Board menu and install ArduCAM_ESP8266_UNO add-on package.
http://www.arducam.com/downloads/ESP8266_UNO/package_ArduCAM_index.json