cheap and simple way to measure temperature

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  1. - 7th March 2011, 22:56 #14
    mtripoli's Avatar
    mtripoli
    mtripoli is offline Member
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    Default Check this out... runs at 1.5V

    Have a look at the LM94022. Price is $1.27 from Digikey you can get the data sheet there as well (I had a link but Digikey uses scripts and the link comes out bad). It has a couple of options for gain set through pins. The biggest downside to this part is the package; not user friendly for hand soldering.

    IIRC the LM34 is a little weird that it requires a negative bias to give voltages below 0 or something, and it only operates down to 5V.

    Good luck.
    Last edited by mtripoli; - 7th March 2011 at 22:58.
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