> > Opto couplers are cheap and simple. It's highly unlikely that the LEDs
> > will light except when driven by the switch closures.
>
> Oh yeah?  I have heard of just this happening in an Automotive
> environment (big long truck actually).


I'm sorry I may have 'LED' Brian astray.

--
Best regards

Tony

http://www.picnpoke.com
Email sales@picnpoke.com