Re: Allegro UCN5804 stepper driver

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Chuck Merja" <chuckm@...> wrote:

>
> >>I have about 10. How many do you need?
> Dan Mauch
> THANKS - Well, I'd like to get at least 3 or 4, probably. Maybe I

should

> tell you what I'm up to and then go from there.
>
> I'm an engineer turned farmer - er a farmer with an old engineering

degree

> and I do a lot of volunteer work with our high school kids. We have

built

> 120 lb competition robots the last 3 years for FIRST competitions.

We are

> not a very wealthy school district and our school shop has been

neglected

> for some time. We have a lathe that helped win WW II, anf hasn't

done much

> since, a mill/drill that I found for us and some welders - TIG, MIG,

stick,

> oh and a plasma cutter. None of these has even a DRO, let alone CNC
> capability, and I am interested in getting into this century and

bringing

> the kids along. So, we have printers and computers to salvage, and I've
> seen Bruce Shapiro's work eg -

http://www.taomc.com/bits2bots/index.htm , as

> well as Dave Benson's http://www.stepperstuff.com/ . Both of them use
> 5804's in very simple circuits to use salvaged steppers to make

stuff move,

> so I thought I'd start there.
>
> I've also been able to get some plans for like 24 x 24 cnc router tables
> donated, and I thought I'd work with the kids to build our own cnc

router as

> sort of a next step. Looking for stepper suggestions for this, btw.
>
> I realize that I'm looking for "old technology" with the 5804's, but it
> looked like a place to start.
>
> I'm very open to suggestions, and would appreciate any guidance you

might

> want to give.
>
> Thanks so much for the initial reply and thanks in advance for more..
>
>
> [Non-text portions of this message have been removed]

Chuck: Contact me off list. I have stuff that I will donate to a
program like yours.

Tom Caudle
www.CandCNC.com
tom(at)CandCNC.com