John,

Ahh.. Drat! I was hoping we had a $20 PID/PWM motor controller in one
package.  Not to be, I guess.

Dan


> Dan,
> I posted the link as a resource for you.   Nothing more.
>
> John

> > I guess I'm missing the point. Why is this better than using an L293D
(500
> > ma) or a TI SN754410 (1000 ma) - augmenting both with inverters??  You
> still
> > have to provide PWM - which probably means an external MCU, you get
about
> > the same response from the two chip setup, you have about the same
number
> of
> > wires going to the chip(s).  I looked at this design, then the one I'm
> > working on now and I have to use an inverter to get the effect I need
(and
> I
> > suspect you do with the Wirz version), but the overall cost is 4.50 in
> small
> > quantities as opposed to 23.50. With the L293D/TI setup, you get both
sign
> > magnitude and anti-phase , .1" PC board pinouts etc, etc.
> >
> > Am I missing something very kewl?
> >
> > Dan
>
>
>
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