IAC controller circuit

[steve ravet]

ftp://efi332.eng.ohio-state.edu/incoming

Clarence Wood wrote:
> 
>   Wonderful!  But, how do I access the 'incoming' site?
> 
> At 04:03 PM 1/4/99 -0500, you wrote:
> >
> >
> >
> >OK, finally got it together. I finished the schematics and
> >the write-up on the stepper motor control circuit. It's all
> >been uploaded to the 'incoming' site.
> >
> >Files:
> >
> >Stepdrv.txt         The what/how/why and where.
> >StepDrv1.gif        Image, page 1 of schematics
> >StepDrv2.gif        Image, page 2 of schematics
> >
> >
> >Now, before anybody jumps up and down about the hand
> >drawn schematics, well, I'm a software guy. I almost
> >had to use a crayon ;) {the sharpest nearby items are
> >the corners on my keyboard}.
> >
> >The purpose of this circuit/project is to be able to
> >control the IAC by itself. That is, you can extend or
> >retract the pintle at will. This is a stand-alone
> >controller.
> >
> >Have fun, any questions, I'll be here for awhile. (At
> >least 'til next vacation/holiday).
> >
> >
> >BobR.
> >
> >Who put silly-putty on the point of his cone shaped
> >hat 'lest I cut myself.
> >
> >
> >--
> >
> >
> >