// Thermistor parameters from the datasheet
#define RT0 10000
#define B 3977
// Our series resistor value = 10 kΩ
#define R 10000
// Variables for calculations
float RT, VR, ln, TX, T0, VRT;
void setup() {
// Setup serial communication
Serial.begin(9600);
// Convert T0 from Celsius to Kelvin
T0 = 25 + 273.15;
}
void loop() {
// Read the voltage across the thermistor
VRT = (5.00 / 1023.00) * analogRead(A0);
// Calculate the voltage across the resistor
VR = 5.00 - VRT;
// Calculate resistance of the thermistor
RT = VRT / (VR / R);
// Calculate temperature from thermistor resistance
ln = log(RT / RT0);
TX = (1 / ((ln / B) + (1 / T0)));
// Convert to Celsius
TX = TX - 273.15;
Serial.print("Temperature: ");
// Display in Celsius
Serial.print(TX);
Serial.print("Ct");
// Convert and display in Kelvin
Serial.print(TX + 273.15);
Serial.print("Kt");
// Convert and display in Fahrenheit
Serial.print((TX * 1.8) + 32);
Serial.println("F");
delay(500);
}
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