Re: Allegro 3977 (update?)

I'm really interested.

I have 4 units on order as of yestarday, so this is comming at a
perfect time for me.

please keep us informed.

also, please let me know what you think the raw boards will cost.

Dave

--- In CAD_CAM_EDM_DRO@y..., "ths992001" <thscarince@h...> wrote:
>
> Back in December we had a talk about the new Allegro 3977 on the
> list. Has anyone made any progress with this chip?
>
> I have some samples, an unproven PCB layout and an idea of how to
> reflow solder it.
>
> If there is significant interest, it might be worth moving forward
> with this project.
>
> This driver would have output similar to Dan's and other L298
based
> products. The advantage is 1/8 microstepping capability.
>
> Assuming my design works, I'd probably make commercial quality bare
> boards available slightly above cost + shipping. But most people
> don't work with SMT on a hobby level :( A$$embled units would
> probably not be worth it as it would require farming out, unless
I'm
> really lucky with the soldering process.
>
> If you're wondering how I'm planning to solder it:
>
> http://www.users.qwest.net/~kmaxon/page/side/art7_137.htm
>
> Kenneth also has a home CNC milling machine and is working on a
> scratchbuilt one as well as an injection molder... His site is
worth
> a look.
>
> - Tom Scarince
>
> (there goes what little credibility I might have had at one point)