TheTwim @ instructables.com show us how to make a cheap ESP8266 Arduino Shield
This is just the first step to make a cheap Arduino WiFi shield using the ESP8266 module. With few more electronic components and the WiFiEsp library you can build it for less that 10 USD.
Cheap Arduino WiFi shield with ESP8266 – [Link]
An ad but useful for this project. This products may make the project much easier.
http://www.elecrow.com/esp8266-breadboard-compatible-kit-p-1184.html