I came across a few sources that claim the atmega has a not-so-accurate temperature sensor. http://www.netquote.it/nqmain/2011/04/arduino-nano-v3-internal-temperature-sensor/ http://arduino.cc/forum/index.php/topic,38043.0.html I tried both of these approaches, but both give me 110-112 no matter …

Atmega328p internal temperature sensor

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