int lm35 = A1;

void setup() 
{
  pinMode(A1, OUTPUT);
  Serial.begin(9600);
}

void loop() 
{
  int tempVal = analogRead(lm35);
  double temp = tempVal * 0.0488;
  Serial.println("Temperature of sensor: " + String(temp) + " degrees Celsius");
  delay(1000);
}