const int sensorPin = A0;
const int buzzerPin = 8;
const int threshold = 700; // Set your water level threshold

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

void loop() {
  int waterLevel = analogRead(sensorPin);
  Serial.print("Water Level: ");
  Serial.println(waterLevel);

  if (waterLevel > threshold) {
    // Make a tone continuously (e.g. 1000 Hz)
    tone(buzzerPin, 1000);
  } else {
    // Stop tone
    noTone(buzzerPin);
  }

  delay(100);
}