const int moistureSensorPin = A0;  // Signal pin of the moisture sensor

const int ledPin = 13;             // LED connected to pin 8

const int moistureThreshold = 1; // Adjust based on testing

void setup() {

  Serial.begin(9600);         // Start Serial Monitor

  pinMode(ledPin, OUTPUT);    // Set LED pin as output

  pinMode(moistureSensorPin, INPUT); // Set sensor pin as input

}

void loop() {

  int moistureValue = analogRead(moistureSensorPin); // Read sensor value

  Serial.print("Moisture Value: ");

  Serial.println(moistureValue); // Print sensor value for debugging

  // Check moisture level

  if (moistureValue < moistureThreshold) {

    digitalWrite(ledPin, HIGH); // Turn on LED if soil is dry

  } else {

    digitalWrite(ledPin, LOW);  // Turn off LED if soil is moist

  }

  delay(500); // Wait 0.5 seconds before the next reading

}