Re: HELP: Bipolar stepper ciruit

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude
<davemucha@j...>" <davemucha@j...> wrote:

> Hi Al,
>
> Seems you would benefit from a Palm as your controller. this would
> offer you true portability and as you have a single function

device,

> your needs don't vary as radically and as quickly as the machine

tool

> guys.
>
>
> However.... there is no current (that I know of, and just recently
> discussed on here) method of connecting a Palm and using that as

your

> controller.
>
> A laptop would work well.
>
> do you have enough power to run everything in the field ? or are
> based in a location close to power ?
>
> Also, are you set for a single axis or 2 ?
>
> Possible applications would be the single axis FROG.
>
> Another is a single axis unipolar driver that uses the serial

port.

> I got one off e-bay last year. It is a PIC microporcessor and has

a

> priority language (free) and is available in multi axis. I

couldn't

> find the site, but I have the guy's e-mail address. It is limited

to

> low power, but might serve if you have the ampacity to handle a uni-
> polar driver with limiting resistor. Drop me an e-mail if you

want

> the guy's e-mail.
>
> Dave
>
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "al <101@g...>" <101@g...>
> wrote:
> > Happy new year to all.
> > I'm looking for a cuircuit to run a small bipolar stepper.
> > I need a hand held controller as its for a telescope, all
> > the circuits I've seen are computer controlled and I have no way

of

> > draging my p.c/monitor out side :)
> > Hope someone can help. The makers controller runs of 6Volts
> batteries.
> > Thank you. al