On Thursday 05 November 2015 21:55:00 MC Cason wrote:

> Gene,
>
>    I uploaded some pictures to Flickr, to show you how I have mine
> done:
> https://www.flickr.com/photos/46689581@N03/albums/72157660780465122
>
Neat. But I'll need to come up with a more compact mounting for a bunch 
of them to run a tool changer.  Perf-board likely will be about ideal 
but I'll need to find space on that size of perf-board for at least a 5 
pack of those.  I can still conserve I/O pins on a 5i25 by useing 3 bits 
as an address generator and 3 more for enable/step/dir.  I don't see 
more than one motor moving at a time, but with conventional wiring, a 5 
motor setup is 15 output pins.  I think I can beat that down to 6 if 
only one motor at a time is to be moving.  3 to address which motor gets 
the signals, and 3 for enable,dir,step.  All dir and step can be shared, 
but the 3 bit address only enables the one addressed.

But I'm going to be out of pocket for a bit, tomorrow I get the brakes 
redone on my GMC, If amazon manages to deliver Saturday, I'll be busy 
putting our local AM'er back on the air at full power.  Monday I am 
scheduled for a pair of saddle block shots in whats left of my back, and 
if amazon doesn't deliver till Monday, I'll have to see if I can finish 
that transmitter after I get back from the shots.  Might not be able to 
pull that off till after the shots have taken effect.  I was informed 
I'd need a driver.  Last time I drove myself home.  But that was 2 years 
ago.  As a friend was fond of saying, I'm not the man I once was, even 
once. ;-)

Thanks, MC Cason.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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