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December 19, 2017
about a year ago
You first need to find voltage across Thermistor at particular temperature than you can find the Resistance of thermistor using Voltage divider equation:
Rt = R (Vin/Vout) – 1
Then after getting the resistance value at that particular temperature we can get the temperature in kelvin using the below Stein-Hart equation:
T = 1 / (A + Bln(Rt) + Cln (Rt)ln (Rt)ln (Rt) )
where A, B, C are constants whose value, you can find in datasheets of Thermistor or you can derive these value by taking three different resistance value at three different temperature. using this calculator:
This all will be possible with Arduino to get Temperature in degrees with thermistor:
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