Re: Q's on simple stepper circuit

Hi again Phil,

That's the one I said I saw recently! You'll have to figure out what
motors you have. And you can rig up a 555 timer and a pot to control
the speed, no need for a program as I mentioned earlier.

Alan KM6VV

kleinbauer@... wrote:

>
> Hi Phil,
> I have a circuit on my website that might help you. The
> circuit will work with all kinds of scrap steppers.
>
> http://www.geocities.com/crankorgan/
>
> John
>
> --- In CAD_CAM_EDM_DRO@y..., phil-jaster@e... wrote:
> > --- In CAD_CAM_EDM_DRO@y..., phil-jaster@e... wrote:
> > > I was recently given a Cannon AP 200 Electric Typwriter.
> > >
> > > After tear down, I found a real nice Sankyo Stepper Motor, and
> some
> > > circuitry to run it.
> > >
> > > The stepper is marked Volts 27 Ohm/coil 36 Phase 4 Degree/step 7.5
> > >
> > > I would like to use as much as I can of the circuit to just run
> my
> > X axis on my TAIG Lathe.
> > >
> > > I don't think that it needs to be CNC jsut a simple toggle switch
> > to
> > > toggle the stepper on and a reversing DPDT switch is really all I
> > need
> > > for a first project.
> > >
> > > Is the circuit from the Typewriter going to supply me with that,
> or
> > > will I need to need to build something from scratch???
> > >
> > > What is the most simple of stepper circuits possible???
> > >
> > > Any clues as to where I could go to find such a circuit diagram?
> > >
> > > If I need to build such an item I have bread boarded circuits
> > before,
> > > but it was a thousand years ago before there were even IC's!!!!!
> > >
> > > Thanks in advance for any and all response,
> > >
> > > phil