int temp = A1;
int buzzer = 10;
int led = 9;

void setup()
{
  Serial.begin(9600);
  pinMode(buzzer , OUTPUT);
  pinMode(led , OUTPUT);
}

void loop()
{
  int analogvalue = analogRead(temp);
  float temp = 1/ (log(1 / (1023. /analogvalue - 1)) / 3950 + 1.0 / 298.15) -273.15;
  Serial.println("Current temperature:");
  Serial.print(temp);
  Serial.println("°c");
  int brightness = map(analogvalue , 953, 115, 0, 255);
  analogWrite(led , brightness);
   if(temp>38.0)
  {
    tone(buzzer,150); 
  }
  else
  {
    noTone(buzzer); 
  }

}