int waterSensor = A0;
int led = 13;
int threshold = 500;

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

void loop() {
  int waterLevel = analogRead(waterSensor);
  Serial.print("Water Level: ");
  Serial.println(waterLevel);
  
  if (waterLevel > threshold) {
    digitalWrite(led, HIGH);
    Serial.println("Water level is high!");
  } else {
    digitalWrite(led, LOW);
    Serial.println("Water level is low");
  }
  
  delay(1000);
}