[simpits-tech] phidgits + Building Guages

[Gene Buckle]

> > The problem is that everyone and their brother has a neat method of
> > driving a stepper motor, but nobody says anything about *feedback* from
> > that motor.
> >
> > This is a required feature for something like an ADI or HSI and useful for
> > something like an altimeter.  THIS is something I'd throw money at.
>
>
> Of course you need feedback to know where the darned thing is at, but for
> instruments in general, I'm sure you only need a 'zero' setting?
>
A zero set point is good for doing instruments that have a total travel of
less than 359 degrees.  Anything else, you're going to need true position
feedback.

g.