Re: Stepper Controls

Boondog say that the parallel port card is coming soon?? Or did you mean the 8255 card?
Brian, Ont, Canada.

Bob Bachman wrote:

> From: Bob Bachman <bobach@...>
>
> Dennis and all,
>
> The card from Boondog is a parallel port card with 3 ports. Very easy to
> use for
> experimenting. Good documentation. URL = http://www.boondog.com
>
> The stepper driver from Space Time Productions has been a disappointment so
> far. The
> card is well made but except for a schematic of the board, documation is
> nonexsistant.
> Simon has been good at returning my email questions, but his software to
> run his
> board is written in Forth. I have some 450 oz/in motors which need 3.5v @
> 3.5a that
> I want to use on the bp clone. I have one installed one the X axis with a 2
> to 1
> reduction and the best table speed I can get is ~8 ipm. Pretty slow for
> positioning.
> I'm running it with a simple Qbasic prog. The timing loop is a short as I
> can get it
> without motor chatter (~60rpm). I'm open to suggestions. Simon's URL =
>
> http://www.tefbbs.com/spacetime/index.html
>
> Dan Mauch's driver card would be great but I don't think it will handle
> these low
> voltage motors.
>
> Bob
>
> At 09:12 AM 5/8/99 -0500, you wrote:
> >From: "Dennis Mino" <dmino@...>
> >
> >Bob, Can you share the web pages for Space Time Prod. and Boondog? I am
> >interested in some stepper boards.....
> >Thanx.
> >
> >
>
> >> Been experimenting with a stepper driver board from Simon at Space-Time
> >> Prod. and
> >> a parallel port board from Boondog.
> >>
>
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