> I was wondering actually, the 5th level shift is for a toggle switch which
> needs to input in to the 1.5v FE33 module, and also in to the PIC at 5v. 
> I
> could just switch 5v at the switch, and then have a potential divider down 
> to
> 1.5v for the FE33, and just feed the 5v direct to teh PIC, so I won't need 
> the
> second comparator - any thoughts?
>
> Regards,
> Mark

Sure, that will work fine.

Bob Ammerman
RAm Systems

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