hearphones to light up a led! 

That’s what I’ve done in two endless days:

advice for blondes: you don’t have necessarily  invest two days of your life to make the same sound sensor but just a bunch of minutes if you are well concentrated.

(If you want just see the tutorial and skip the story behind -and of course you’re a man if you don’t mind the story behind- go to Arduino for man| Tutorials)

(Leggi il resto…)