const int soilMoisturePin = 12;   // Potentiometer simulating soil sensor
const int pumpPin = 26;           // LED as pump
const int buzzerPin = 27;         // Active buzzer
const int moistureThreshold = 500;

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

void loop() {
  int moistureLevel = analogRead(soilMoisturePin);

  Serial.print("Moisture level: ");
  Serial.println(moistureLevel);

  if (moistureLevel < moistureThreshold) {
    Serial.println("Soil too dry. Activating pump and buzzer...");
    
    digitalWrite(pumpPin, HIGH);
    digitalWrite(buzzerPin, HIGH);
    
    delay(5000);  // Simulate watering duration
    
    digitalWrite(pumpPin, LOW);
    digitalWrite(buzzerPin, LOW);
    
    Serial.println("Watering complete.");
  } else {
    Serial.println("Soil moisture level is adequate.");
    digitalWrite(pumpPin, LOW);
    digitalWrite(buzzerPin, LOW);
  }

  delay(1000);  // Delay between checks
}