const float BETA = 3950; // should match the Beta Coefficient of the thermistor
// Relay pin
const int motorRelay = 2;

void setup() {
  // initializes serial communication at 9600 bits per second:
  Serial.begin(9600);
  //sets the relay pin to output
  pinMode(motorRelay, OUTPUT);
  // sets the relay to the starting state
  digitalWrite(motorRelay, HIGH);
}

void loop() {  
  // reads the sensor
  int analogSensorOne = analogRead(A0);
  // calculates the temperature in C°
  float motorOne = 1 / (log(1 / (1023. / analogSensorOne - 1)) / BETA + 1.0 / 298.15) - 273.15;
  // prints out the value
  Serial.print("Temperature:  ");
  Serial.print(motorOne);
  Serial.println("°C");
  // Monitors the temperature and switches the relay acordingly
  if (motorOne > 60) {
    digitalWrite(motorRelay, LOW);
  }
}