sensor.ino

#include <Adafruit_MAX31865.h>
Adafruit_MAX31865 thermo = Adafruit_MAX31865(10, 11, 12, 13);
#define RREF      430.0
#define RNOMINAL  100.0


void setup() {
  Serial.begin(19200);
  thermo.begin(MAX31865_2WIRE);
}


void loop() {
  
  int sensorValue = analogRead(A0);
  float pH = sensorValue;
  Serial.print(thermo.temperature(RNOMINAL, RREF));
  Serial.print(';');
  Serial.println(pH);
  
  uint8_t fault = thermo.readFault();
  if (fault) {
    Serial.print("Fault 0x"); Serial.println(fault, HEX);
    if (fault & MAX31865_FAULT_HIGHTHRESH) {
      Serial.println("RTD High Threshold"); 
    }
    if (fault & MAX31865_FAULT_LOWTHRESH) {
      Serial.println("RTD Low Threshold"); 
    }
    if (fault & MAX31865_FAULT_REFINLOW) {
      Serial.println("REFIN- > 0.85 x Bias"); 
    }
    if (fault & MAX31865_FAULT_REFINHIGH) {
      Serial.println("REFIN- < 0.85 x Bias - FORCE- open"); 
    }
    if (fault & MAX31865_FAULT_RTDINLOW) {
      Serial.println("RTDIN- < 0.85 x Bias - FORCE- open"); 
    }
    if (fault & MAX31865_FAULT_OVUV) {
      Serial.println("Under/Over voltage"); 
    }
    thermo.clearFault();
  }
  
  delay(1);
  
}