// C++ code
// TEMPT SENSOR CODE
int baselineTemp = 0;
int celsius = 0;
int fahrenheit = 0;
int TEMPT = A0;
int led1 = 4;
int led2 = 3;
int led3 = 2;
const float BETA = 3950;

void setup()
{
  // TEMPT SENSOR CODE
  pinMode(TEMPT, INPUT);
  pinMode(led3, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led1, OUTPUT);
}

void loop()
{ baselineTemp = 30;
  int analogValue = analogRead(A0);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.print("Temperature: ");
  Serial.print(celsius);
  Serial.println(" ℃");
   if (celsius < baselineTemp) {
    digitalWrite(led3, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led1, LOW);
  }
  if (celsius >= baselineTemp && celsius < baselineTemp + 10) {
    digitalWrite(led3, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led1, LOW);
  }
  if (celsius >= baselineTemp + 10 && celsius < baselineTemp + 20) {
    digitalWrite(led3, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led1, LOW);
  }
  if (celsius >= baselineTemp + 20 && celsius < baselineTemp + 30) {
    digitalWrite(led3, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led1, HIGH);
  }
  if (celsius >= baselineTemp + 30) {
    digitalWrite(led3, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(led1, HIGH);
  }
  delay(1000); // Wait for 1000 millisecond(s)
}