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I'm looking to measure and log the surface temperature of lithium ion cells (cylindrical and pouch). I tried using LM35 sensors with an Arduino, but, the drift was too much somehow. Any suggestions on how this system can be improved, as in - use different sensors or change the microcontroller?

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  • $\begingroup$ Can you provide us some more details on how you mounted the sensor? Pictures would be helpful. $\endgroup$ – Mahendra Gunawardena Aug 20 '19 at 21:25
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Analog can by tricky, because your signal can be distorted and the system will still work.. sort of.

I would recommend switching to a digital sensor, that way you can avoid all the analog uncertainty. The DS18B20 is popular and quite accurate.

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