#define RELAY1_PIN 5
#define RELAY2_PIN 18
#define LED_PIN 23

void setup() {
  // Initialize Serial Monitor
  Serial.begin(115200);
  Serial.println("Smart Home Control Initialized");

  // Set pin modes
  pinMode(RELAY1_PIN, OUTPUT);
  pinMode(RELAY2_PIN, OUTPUT);
  pinMode(LED_PIN, OUTPUT);

  // Start with all devices off
  digitalWrite(RELAY1_PIN, LOW);
  digitalWrite(RELAY2_PIN, LOW);
  digitalWrite(LED_PIN, LOW);
}

void loop() {
  // Check if data is available from Serial Monitor
  if (Serial.available() > 0) {
    String command = Serial.readStringUntil('\n');
    command.trim(); // Remove any extra spaces or newlines

    // Process the command
    if (command == "RELAY1 ON") {
      digitalWrite(RELAY1_PIN, HIGH);
      Serial.println("Relay 1 is ON");
    } else if (command == "RELAY1 OFF") {
      digitalWrite(RELAY1_PIN, LOW);
      Serial.println("Relay 1 is OFF");
    } else if (command == "RELAY2 ON") {
      digitalWrite(RELAY2_PIN, HIGH);
      Serial.println("Relay 2 is ON");
    } else if (command == "RELAY2 OFF") {
      digitalWrite(RELAY2_PIN, LOW);
      Serial.println("Relay 2 is OFF");
    } else if (command == "LED ON") {
      digitalWrite(LED_PIN, HIGH);
      Serial.println("LED is ON");
    } else if (command == "LED OFF") {
      digitalWrite(LED_PIN, LOW);
      Serial.println("LED is OFF");
    } else {
      Serial.println("Unknown command. Use: RELAY1 ON, RELAY1 OFF, RELAY2 ON, RELAY2 OFF, LED ON, LED OFF");
    }
  }
}