So leave the hydroelectric station and just think about something like


[img]http://www.jeulin.fr/metier/element/upload/download_image.html?IDTypeElement=102&IDPeriode=102&IDElement=1045504&attribut=IMG2&langue=fr[/img]


They sell it with what they call "Level gauge of power "

[img]http://www.jeulin.fr/metier/element/upload/download_image.html?IDTypeElement=102&IDPeriode=102&IDElement=1045408&attribut=IMG2&langue=fr[/img]


which is constituted of series of LED. The larger the number of lighted LED is, more important is the power provided by the turbine.

Is it possible to simulate it ?

Thanks in advance,