Re: Question for Mariss

Would you be willing to part with a few to make my life easier? You
can contact me off-list at "rgoldner AT iname.com" with specifics.

Thanks!

--- In CAD_CAM_EDM_DRO@y..., "Scott Hendershot" <scott@p...> wrote:
> Yes, but I have hundreds of opto22 modules lying around.
>
> ----- Original Message -----
> From: <JanRwl@A...>
> To: <CAD_CAM_EDM_DRO@y...>
> Sent: Sunday, May 19, 2002 1:47 AM
> Subject: Re: [CAD_CAM_EDM_DRO] Re: Question for Mariss
>
>
> > In a message dated 18-May-02 23:28:43 Central Daylight Time,
> > scott@p... writes:
> >
> >
> > > I used some opto22 modules (ODC5) for this. They are very
inexpensive
> (~$9
> > > USD) and work great.
> >
> > WOW, some folks throw $ at their sources like it was toxic! A
ULN-2003
> has
> > SEVEN "current-sinking" Darlingtons with "TTL-in", and up to 500
mA sink,
> per
> > O.C. output (of which there are seven, incl. EMI bucking
diodes). That
> is
> > in a 16-pin DIP plastic package, and they cost about a buck each,
> depending
> > on what vendor, where.
> >
> > The Step and Direction inputs can be fed from 74HC02 IC's with
NO problem!
> >
> > Take care! Newbie naivty is not always particularly healthy for
GOOD
> > expensive electronic units (Geckos, etc.)! Jan Rowland,
Old Troll
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
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