How to use LM34 to full range with PBP

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  1. - 8th January 2010, 20:28 #8
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    Quote Originally Posted by polymer52 View Post
    I read that but that basically gives me 2 grounds. The supply ground and the new floating ground. Do I have to use 2 analog channels and read the difference or use a separate isolated supply? I was hoping to get away with just a single supply but that may not be possible.
    Hi polymer52,

    I was confused by the same thing. Think this is how it goes:
    <IMG SRC="http://www.picbasic.co.uk/forum/attachment.php?attachmentid=3869&stc=1&d=126298242 8">
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    Ohm it's not just a good idea... it's the LAW !
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