>
> On Jan 31, 2010, at 11:45 PM, PICdude wrote:
>
> Stepper drivers I have covered already -- will most probably be using
> 2 Gecko 201's ( http://geckodrive.com/product.aspx?c=3&i=14458 ), and
> 2 home-built EAS drivers (
> http://www.embeddedtronics.com/microstep.html ), plus 4 PWM servos.
> What I was looking for is a way for the controller I use to spit out
> enough pulse/direction signals per second to feed those drivers.
>
> I had not though about the Arduino this way -- as the intermediary.
> That could work I bet.
>
> Actually, I just realized I made a mistake with the math.  200ipm *
> .001" resolution * 4 microsteps is not 800KHz as I prev calculated,
> but 800 pulses per minute, so it's actually 16.7KHz.  Ack!  That
> certainly changes things ... for the better thankfully.

[ 200 inches/min] times [ .001" resolution ] times [ 4 microsteps per . 
001" ]  = 1,000,000 microsteps / minute  ==> 16,667 microsteps per  
second
Gus
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist