int sensorPin = 2;
int relayPin = 5;
int sensorValue = 0;

void setup() {
  Serial.begin(9600);
  pinMode(sensorPin, INPUT);
  pinMode(relayPin, OUTPUT);
}

void loop() {
  sensorValue = digitalRead(sensorPin);
  Serial.print("Sensor Value: ");
  Serial.println(sensorValue);

  if (sensorValue == HIGH) {
    digitalWrite(relayPin, HIGH);
    Serial.println("Relay ON");
  } else {
    digitalWrite(relayPin, LOW);
    Serial.println("Relay OFF");
  }

  delay(500);
}