> >The slickest and safest would have been to put a PIC12C on each segment and >use >opto-isolation to go onto a common comm line. > >It was invented before my time, but I get to help take it out to >production. >Next time, though... > >Andy > Andy, still good remembrance! Was my suggestion some months ago discussing similar topic. By the way, when you dont need exact voltage, you can use LT1440 instead of PIC for battery status check. Of course output optoisolated. When you need some help, email me. Andrej _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu