Re: [CAD_CAM_EDM_DRO] Re: How to convert a Grizzly 1006 Mill to CNC

At 12:46 PM 10/18/2007, you wrote:

>Sorry for a newbie breaking in but what is "48 psu"

48 Volt Power Supply Unit.

>what does a breakout board do and where can I find those?

To see one example, see http://pminmo.com/4axisopto/4axisDIYopto.htm
but it basically takes a parallel port output and makes individual
signals available to the stepper drivers or allows switch
inputs. This example is optically isolated so if something goes bad,
it doesn't take the computer motherboard with it.


David G. LeVine
Nashua, NH 03060