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Andy aka
Andy aka
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I'm fairly certain that you have reached the limits of sampling resolution on your ADC attached to the thermistor: -

enter image description here

I changed the background colour on a sample of your picture to make it easier to view.

Try sampling 4 times faster and averaging to improve resolution by one bit to prove the point. Maybe add a circuit that utilizes more ADC resolution around the thermistor values you require.

I'm fairly certain that you have reached the limits of sampling resolution on your ADC attached to the thermistor: -

enter image description here

Try sampling 4 times faster and averaging to improve resolution by one bit to prove the point. Maybe add a circuit that utilizes more ADC resolution around the thermistor values you require.

I'm fairly certain that you have reached the limits of sampling resolution on your ADC attached to the thermistor: -

enter image description here

I changed the background colour on a sample of your picture to make it easier to view.

Try sampling 4 times faster and averaging to improve resolution by one bit to prove the point. Maybe add a circuit that utilizes more ADC resolution around the thermistor values you require.

Source Link
Andy aka
Andy aka
  • 473.1k
  • 29
  • 383
  • 839

I'm fairly certain that you have reached the limits of sampling resolution on your ADC attached to the thermistor: -

enter image description here

Try sampling 4 times faster and averaging to improve resolution by one bit to prove the point. Maybe add a circuit that utilizes more ADC resolution around the thermistor values you require.