[sdiy] DIY trackball components?

[Pete Hartman]

A joystick typically uses pots.  Trackballs and mice more often (maybe
always?) use rotary encoders.  It's doable, but you'll need a micro
controller of some sort to translate for you.  At least that's the easiest
way that comes to mind....

On Thu, Jan 7, 2016 at 4:36 PM, Rick Jansen <rick.jansen at xs4all.nl> wrote:

> Search for "trackballs" in google and you even get Amazon links..?
>
> R.
>
> > On 07 Jan 2016, at 23:01, Mattias Rickardsson <mr at analogue.org> wrote:
> >
> > Hi,
> >
> > speaking of joysticks etc, is there also a chance to build trackballs
> > or similar controllers? I can't remember ever seeing such components
> > for sale, while joysticks have always been available in various forms.
> > Any ideas?
> >
> > /mr  -  I have lots of tracks, but I also want to have a ball
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