const float BETA = 3950;
const int yellowLedPin = 9; // Pin untuk LED kuning
const int redLedPin = 10; // Pin untuk LED merah

void setup() {
  Serial.begin(9600);
  pinMode(yellowLedPin, OUTPUT);
  pinMode(redLedPin, OUTPUT);
}

void loop() {
  int analogValue = analogRead(A1);
  float celcius = 1 / (log(1/(1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.print("Temperature: ");
  Serial.print(celcius);
  Serial.print(" Celcius");
  
  float fahrenheit = (9.0/5.0 * celcius) + 32;
  Serial.print(" ");
  Serial.print(fahrenheit);
  Serial.println(" Fahrenheit");

  // Mengatur LED berdasarkan suhu
  if (celcius > 38.00) {
    digitalWrite(redLedPin, HIGH);
    digitalWrite(yellowLedPin, LOW);
  } else if (celcius > 30.00) {
    digitalWrite(yellowLedPin, HIGH);
    digitalWrite(redLedPin, LOW);
  } else {
    digitalWrite(yellowLedPin, LOW);
    digitalWrite(redLedPin, LOW);
  }

  delay(1000);
}