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STM8L051F3 ADC fluctuating reading

Question asked by Omkar Teli on Dec 20, 2017

I am working on STM8L051F3 and measuring 10K pot output voltage but ADC readings are fluctuating. Pot output is 0 volt but ADC readings is 1 to 4. How to get stable readings?

I was measuring temperature using PT100. I am getting 2.6mv change for every °c. I want to detect this change. So i decided to go for 12bit ADC but ADC readings are fluctuating a lot. I tried Averaging but still same result.