const int moistureSensorPin = A0; // Analog pin for moisture sensor
const int relayPin = 2;           // Digital pin for relay module control
const int ledPin = 13;            // Built-in LED on Arduino for simulation

const int moistureThreshold = 500; // Adjust this value as needed
const int pumpRunTime = 5000;     // 5 seconds (adjust as needed)

void setup() {
  pinMode(relayPin, OUTPUT);
  pinMode(ledPin, OUTPUT);
  digitalWrite(relayPin, LOW); // Turn off the water pump initially
  Serial.begin(9600);
}

void loop() {
  int moistureLevel = analogRead(moistureSensorPin);
  Serial.print("Moisture Level: ");
  Serial.println(moistureLevel);

  if (moistureLevel < moistureThreshold) {
    digitalWrite(relayPin, HIGH); // Turn on the water pump
    digitalWrite(ledPin, HIGH);   // Turn on the LED
    delay(pumpRunTime);           // Run the pump for a set duration
    digitalWrite(relayPin, LOW);  // Turn off the pump
    digitalWrite(ledPin, LOW);    // Turn off the LED
    Serial.println("Watering the plant.");
  } else {
    Serial.println("Soil is already moist.");
  }

  delay(6000); // Wait for 1 minute before the next check
}