#define SOIL_MOISTURE_PIN 34  // Analog pin for Soil Moisture Sensor
#define WATER_PUMP 18         // Digital pin for Water Pump (LED)
#define BUZZER 23             // Digital pin for Buzzer
#define THRESHOLD 500         // Soil Moisture Threshold

void setup() {
    pinMode(WATER_PUMP, OUTPUT);
    pinMode(BUZZER, OUTPUT);
    Serial.begin(115200);
}

void loop() {
    int soilMoisture = analogRead(SOIL_MOISTURE_PIN);
    Serial.print("Soil Moisture Level: ");
    Serial.println(soilMoisture);

    if (soilMoisture < THRESHOLD) {
        digitalWrite(WATER_PUMP, HIGH);  // Turn on Water Pump
        digitalWrite(BUZZER, HIGH);      // Turn on Buzzer Alert
        Serial.println("Soil is Dry! Pump ON 🚰");
    } else {
        digitalWrite(WATER_PUMP, LOW);   // Turn off Water Pump
        digitalWrite(BUZZER, LOW);       // Turn off Buzzer
        Serial.println("Soil is Moist. Pump OFF");
    }

    delay(2000);
}