ThermistorReader.cpp

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#include <Arduino.h>
#include "ThermistorReader.h"
 
ThermistorReader::ThermistorReader(uint8_t pin) : pin(pin) {}
 
double ThermistorReader::getThermistorResistance() const {
    // Read temperature using reference 3.3V on A5 pin
    double V_NTC = analogRead(pin) / static_cast<double>(analogRead(ref_pin));
    return R_series * (1 / V_NTC - 1);
}
 
double ThermistorReader::readTemp() const {
    return B / log(getThermistorResistance() / r_inf) - 273;
}