[simpits-tech] Stepper Controller V2.1

[Erwin Neyt]

I have never used the PIC but I did use a similar MC, the SX.

Take a look here for some ideas:
http://www.sxlist.com/techref/ubicom/lib/io/index.htm

Hope this helps,

Erwin.

> -----Original Message-----
> From: Gene Buckle [mailto:geneb@deltasoft.com] 
> Sent: maandag 18 februari 2002 23:35
> To: simpits-tech@simpits.org
> Subject: RE: [simpits-tech] Stepper Controller V2.1
> 
> 
> > It is a single side layout - yes.
> >
> Good.  IT makes home assembly a LOT easier.  BTW, make your 
> power setup a bit similar.  Add a 7805 5v regulator so you 
> only need a +12v input supply as you can get the 5v from the 
> regulator.
> 
> > Ive actually been looking on some chips that do serial 
> communication, 
> > but they are a little of my scale in knowledge eg. when needed to 
> > calculate things with capacitates im f*cked. pure digital I can 
> > handle.
> > 
> > but Im thinking about PDL (programmable Device Logic) where you can 
> > burn a customized chip and have all the logic put into one 
> chip, but 
> > thats way out in the future.... I need to brush-up on 
> Boolean algebra 
> > for this....
> > 
> When you start looking at PDL or FPGA, you begin hunting 
> rabbits with rocket launchers.  If you use a PIC, you can 
> redesign using a few parts.  You'd only need the PIC 
> (typically a 16 pin DIP) and the ULN chip.  A current 
> limiting resistor or two and a voltage regulator.  You'd talk 
> to this with *two* wires.  Data in and clock.
> 
> You'd write software for the PIC that would move the stepper 
> depending on what came over the SPI link.  Simple stuff. :)
> 
> g.
> 
> 
>  -- 
> "I'm not crazy, I'm plausibly off-nominal!" 
> http://www.f15sim.com - The only one of its > kind.
> 
> 
> 
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