Re: [CAD_CAM_EDM_DRO] DIY servo drive? was Re: stepper vs. servo

If you add a pulse counter control to the H-bridge design, would this be sufficient ?


ballendo <ballendo@...> wrote:
P.S. Yes, for pure DC motor control, all you need is a bridge. (Some
mosfets, as you say.) But getting from there to reliable, accurate
servo operation is not a short trip... (I expect Jon E will concur)


--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Roy J. Tellason"
wrote:

> On Monday 09 February 2004 11:17 pm, Albee Tang wrote:
>
> > By the way, instead of buying Gecko G320, can we just build one

using some

> > Power MOSFET construct it in H-Bridge? Wouldn't that be cheaper

than buying

> > a Gecko driver?
>
> If you know of a URL where one could find such plans, I'd sure

like to know

> about it...

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