const byte LED_PIN = 13, SENSOR_PIN = A0;
int SENSOR_VALUE = 0;


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

void loop() {
  SENSOR_VALUE = analogRead(SENSOR_PIN);
  Serial.println(SENSOR_VALUE);
  digitalWrite(LED_PIN, HIGH);
  delay(SENSOR_VALUE);
  digitalWrite(LED_PIN, LOW);
  delay(SENSOR_VALUE);
}