opto isolator??

on 2008-02-19 15:21:31 UTC

I want to connect my driver boards to my PC via the printerport. I am
told I need an optoisolator to prevent damage to my PC. Can I buy one
or do I have to build one? and how?
Brian Fairey
Waterloo
Canada.

Discussion Thread

Brian Fairey 2008-02-19 15:21:31 UTC opto isolator?? Ron Ginger 2008-02-20 05:24:31 UTC Re: opto isolator?? Lester Caine 2008-02-20 06:09:28 UTC Re: [CAD_CAM_EDM_DRO] Re: opto isolator?? caudlet 2008-02-21 09:19:06 UTC Re: opto isolator??