is the data saved somewhere? or it got lost?
If you follow the instructions for RAM, it gets lost. If you follow the instruction for Flash, it isn't.
let say that I want to transfer the data to my PI
http://www.espruino.com/Data+Collection#extracting-data
You just need an app that'll read the CSV data output by that code and do something with it
@Gordon started
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.
If you follow the instructions for RAM, it gets lost. If you follow the instruction for Flash, it isn't.
http://www.espruino.com/Data+Collection#extracting-data
You just need an app that'll read the CSV data output by that code and do something with it