Forget about it, Its too early here hahaha. I would be always messauring the same... Must think a little bit more....
Markos escribió: > Ok, so you think I best divide the voltage, say, by 2.5, and then > calculate inside the pic... > Well that's not a bad idea. I'm thinking to use multicell batts (up to > 12 v) and single cell Ni-xx (which are 1.2V). > It's irrelevant if I divide the 1.2V by 2.5 (= 0,48V), because I could > tie the result level (0,48V) to Vref+ . So, I would not lose any precision. > The same applies to say 12V, divided by 2.5 (=4,8V)... > The only precaution there is not to be over 5 in Vref (Before the > divider: 12.5V) ... correct? > > Thanks guys. > > > atrick carosso escribió: > >> Use two resistors to lower the voltage! >> >> --- Markos <[EMAIL PROTECTED]> wrote: >> >> >> >>> Hi guys, >>> maybe this is a little offtopic, but >>> i'm sure you could >>> help me. I'm implementing a simple battery charger, >>> and I need to >>> messaure voltages ranges from 0 to 12 V. >>> ¿Could I use the PIC integrated ADC to messaure >>> above 5 V (provided that >>> I use the voltage reference pins tied to 0 and 12 V, >>> for example)? Most >>> external ADC have a 0 to 5V input range.... >>> How would you guys solve this? Any Ideas? >>> >>> Thanks in advance. >>> >>> >>> >>> >>> >> ------------------------------------------------------------------------- >> >> >>> Take Surveys. Earn Cash. Influence the Future of IT >>> Join SourceForge.net's Techsay panel and you'll get >>> the chance to share your >>> opinions on IT & business topics through brief >>> surveys-and earn cash >>> >>> >>> >> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV >> >> >>> _______________________________________________ >>> Sdcc-user mailing list >>> Sdcc-user@lists.sourceforge.net >>> >>> >>> >> https://lists.sourceforge.net/lists/listinfo/sdcc-user >> >> >> >> >> >> ____________________________________________________________________________________ >> Never miss an email again! >> Yahoo! Toolbar alerts you the instant new Mail arrives. >> http://tools.search.yahoo.com/toolbar/features/mail/ >> >> ------------------------------------------------------------------------- >> Take Surveys. Earn Cash. Influence the Future of IT >> Join SourceForge.net's Techsay panel and you'll get the chance to share your >> opinions on IT & business topics through brief surveys-and earn cash >> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV >> _______________________________________________ >> Sdcc-user mailing list >> Sdcc-user@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/sdcc-user >> >> >> > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Sdcc-user mailing list > Sdcc-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/sdcc-user > > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Sdcc-user mailing list Sdcc-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sdcc-user
