int tempPin = A0;
int ledPin = 9;

void setup() {

  Serial.begin(96000);

  pinMode(ledPin, OUTPUT);
}

void loop() {

  int sensorValue = analogRead(tempPin);

  Serial.print("Temperature Value: ");
  Serial.println(sensorValue);

  int pwmValue;

  pwmValue = map(sensorValue, 1023, 0, 0, 255);

  analogWrite(ledPin, pwmValue);

  delay(500);
}