#define NTC 0
#define RELAY 9

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(NTC, INPUT);
  pinMode(RELAY, OUTPUT);
}

void loop() {
  const float BETA = 3950; // should match the Beta Coefficient of the thermistor
  int analogValue = analogRead(A0);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  
  if (analogValue < 1820){
    digitalWrite(RELAY, LOW);
  }
  else {
    analogWrite(RELAY, HIGH);
  }
  Serial.print(celsius);
  delay (1000);

}
//25 puanlık final çalışması