Just moved... as @DrAzzy says, there's a bunch of info on the website.
You might want to look at http://www.espruino.com/Interactive+Web+UI which shows you how to use Pico + ESP8266 as a webserver that serves up a webpage with a control on it.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Just moved... as @DrAzzy says, there's a bunch of info on the website.
You might want to look at http://www.espruino.com/Interactive+Web+UI which shows you how to use Pico + ESP8266 as a webserver that serves up a webpage with a control on it.