CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Stepper Driver Modification

Posted by Harvey White
on 2003-08-22 09:13:43 UTC
On Fri, 22 Aug 2003 09:54:26 -0500, you wrote:

>Did you ever have "one of those" projects? The kind you just can't get
>to work right?
>
>Well, mine is my stepper driver boards! I should be able to do it in my
>sleep, but it just won't work. It's a simple circuit that uses a
>297/298 chipset...
>
>Is there anyone (preferbly in North Texas -- I know there are several in
>my area, on the list) who would be willing to help me modify my simple
>little stepper boards? They have an on board 555 as a pulse generator,
>and I need to bypass it and convert to external input for
>step/direction. Simple... Harvey even sent me instructions (BTW:
> Thank you, Harvey!) -- it's just giving me fits, though. I think I
>need someone, physical, sitting next to me, helping me with the
>modification. Or, if someone's willing to do it for me, I'm more than
>willing to ship them to you! (hint, hint!)
>
>It's about a 5 minute job...and I can't seem to get it to work! ARGH!
> Sorry...I'm just frustrated... I should be able to do this in my
>sleep! I hate it when projects "go bad."
>
>Thanks for any help you can provide...

I have some time, I can look at it if you wish,
same problem?

Harvey


>
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Discussion Thread

Chuck Knight 2003-08-22 07:56:36 UTC Stepper Driver Modification turbulatordude 2003-08-22 08:58:03 UTC Re: Stepper Driver Modification Harvey White 2003-08-22 09:13:43 UTC Re: [CAD_CAM_EDM_DRO] Stepper Driver Modification Jon Elson 2003-08-22 10:08:08 UTC Re: [CAD_CAM_EDM_DRO] Stepper Driver Modification Diego Pinto 2003-08-22 19:11:52 UTC Vexta drive to LPT connection fortino 2003-08-23 19:44:45 UTC Re: [CAD_CAM_EDM_DRO] Vexta drive to LPT connection Chuck Knight 2003-08-24 08:36:38 UTC Re: [CAD_CAM_EDM_DRO] Stepper Driver Modification Harvey White 2003-08-24 12:00:19 UTC Re: [CAD_CAM_EDM_DRO] Stepper Driver Modification Diego Pinto 2003-08-25 23:26:06 UTC RE: [CAD_CAM_EDM_DRO] Vexta drive to LPT connection fortino 2003-08-26 17:17:51 UTC Re: [CAD_CAM_EDM_DRO] Vexta drive to LPT connection Diego Pinto 2003-08-28 19:48:38 UTC RE: [CAD_CAM_EDM_DRO] Vexta drive to LPT connection Robert Campbell 2003-08-28 20:00:54 UTC Re: [CAD_CAM_EDM_DRO] Vexta drive to LPT connection fortino 2003-08-29 20:26:34 UTC Re: [CAD_CAM_EDM_DRO] Vexta drive to LPT connection