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SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!

Member #71303

Member Since: May 22, 2009

Country: United States

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Spoken Languages

english, german

Programming Languages

Perl, C, little python

  • I would guess that the optical sensor on the wall side measures temperature. I don’t think the pid would be very accurate, and with a battery and so much processing inside, I can’t imagine the internal chip temps would be good either.