Re: Parallel port relays - kit

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Roy J. Tellason"
<rtellason@b...> wrote:

> On Saturday 29 January 2005 11:23 am, Fred Smith wrote:
>
> > DeskCNC, up to 7 relays, pwm spindle speed, and serial port

motion

> > control too.
> >
> > Fred Smith - IMService
>
> What sort of hardware is needed to implement that pwm spindle

speed?

The DeskCNC controller pwm requires a capacitor and a resistor to
use 0-5v analog input motor controllers made by Dart and others.

Fred Smith - IMService
http://www.cadcamcadcam.com