#include <Arduino.h>

class Relay {
  private:
    int pin;

  public:
    // Constructor to initialize relay pin
    Relay(int relayPin) {
      pin = relayPin;
      pinMode(pin, OUTPUT);
      digitalWrite(pin, LOW); // Initialize relay as OFF
    }

    // Method to turn relay ON
    void turnOn() {
      digitalWrite(pin, HIGH);
      Serial.println("Relay is ON");
    }

    // Method to turn relay OFF
    void turnOff() {
      digitalWrite(pin, LOW);
      Serial.println("Relay is OFF");
    }
};

Relay relay1(7); // Create an object of Relay with pin 7

void setup() {
  Serial.begin(9600);
}

void loop() {
  // Example: Turn relay ON for 5 seconds, then OFF for 5 seconds
  relay1.turnOn();
  delay(1000);
  relay1.turnOff();
  delay(1000);
}