[sdiy] Buffering 0V when using a pot as a voltage divider?

[Ian Fritz]

At 05:12 PM 6/29/2011, David G Dixon wrote:
> > Oh, and layout issues are but one aspect.  Grounding is a
> > complex subject in its own right.
>
>Yes, but if ground has a measurable impedance, it ain't much of a ground.
>That's all I'm saying.

That's why real men use wire, not those ridiculous, infinitesimally thick 
PCB traces.

Ian