I went through three orders of temp sensors (LM34, LM35, TMP36) assuming I was getting one defective batch after the other. My analogRead would feed a potentiometer with 0 - 1023, so I assumed the board was good. But wiring to a sensor gave me raw numbers in the 800 range with ridiculous temperature…

Temp sensor exercises with knock-off Unos

Topic		Replies	Views
(Very first build) Temp sensor going crazy Troubleshooting	25	8870	May 6, 2021
UNO vs. Diecimila Sensors	2	5064	May 6, 2021
UNO Temp sensor General Guidance	21	3077	May 5, 2021
TMP36 temperature sensor return zero ouput Sensors	5	4315	May 6, 2021
TMP36: Why do analogRead() values differ between Uno and Yun Sensors	6	1198	May 6, 2021