Re: [CAD_CAM_EDM_DRO] Do it yourself Controllers?

I build this one, and it works like a charm:

http://hans-w.com/modular.htm

You can see pictures of the finished control box at www.gizwiz.dk

//Mich

----- Original Message -----
From: "JJ" <jj5412@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, October 16, 2002 12:29 AM
Subject: RE: [CAD_CAM_EDM_DRO] Do it yourself Controllers?


> There are several designs using L297/L298 around. The parts are cheap. A
> Google search will yield enough to keep you busy a while. I recommend
> going with a bipolar chopper drive, not unipolar.
>
> Regards,
> JJ
>
> Be Kind, Be Careful, Be Yourself
>
>
>
> > -----Original Message-----
> > From: Malcolm Kynoch [mailto:malcolm@...]
> > Sent: Tuesday, October 15, 2002 1:41 PM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: [CAD_CAM_EDM_DRO] Do it yourself Controllers?
> >
> >
> > Hi,
> >
> > Ugg, still trying to get all my info straight, Is there any stepper
> > controller designs that I may produce myself, I do quite a bit of
> > PBC/electronics experience. I've run across a few designs that seem a
> > bit basic and most were 3 axis (looking for 4).
> >
> > I'll need to drive nema 23's or better
> >
> > Thanks for any advice.
> >
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> >
> > OFF Topic POSTS: General Machining
> > If you wish to post on unlimited OT subjects goto:
> > aol://5863:126/rec.crafts.metalworking or go thru Google.com
> > to reach it if you have trouble.
> > http://www.metalworking.com/news_servers.html
> >
> http://groups.yahoo.com/group/jobshophomeshop I consider this as a
> sister site to the CCED group, as many of the same members are there,
> for OT subjects, that are not allowed on the CCED list.
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> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this as a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
>
> Post messages: CAD_CAM_EDM_DRO@yahoogroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
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> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> Moderator: jmelson@... timg@... [Moderator]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> bill,
> List Mom
> List Owner
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
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>