int sensorValue = 0;

void setup()
{	
  pinMode(A0, INPUT);
  pinMode(13, OUTPUT);
  Serial.begin(9600);
}

void loop()


  sensorValue = analogRead(A0);
  Serial.print(sensorValue);

  digitalWrite(LED_BUILTIN, HIGH);
 
  delay(sensorValue); 

  digitalWrite(LED_BUILTIN, LOW);

  delay(sensorValue); 
}