#include <ESP32Servo.h>

// Pin untuk LED dan servo
const int ledPin = 4;     // LED dihubungkan ke pin 4
const int servoPin = 18;  // Servo dihubungkan ke pin 18

// Inisialisasi objek Servo
Servo servo;

void setup() {
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
  servo.attach(servoPin); // Menghubungkan pin servo
}

void loop() {
  if (Serial.available() > 0) {
    char command = Serial.read();
    if (command == '1') {
      digitalWrite(ledPin, HIGH); // Hidupkan LED
      Serial.println("LED is turned ON");
    } else if (command == '0') {
      digitalWrite(ledPin, LOW); // Matikan LED
      Serial.println("LED is turned OFF");
    } else if (command == 's') {
      servo.write(90); // Putar servo ke posisi tengah (90 derajat)
      Serial.println("Servo is set to 90 degrees");
    } else if (command == 'r') {
      servo.write(0); // Putar servo ke posisi awal (0 derajat)
      Serial.println("Servo is reset to 0 degrees");
    } else {
      // Jika perintah tidak dikenali, maka tampilkan pesan "Invalid command"
      Serial.println("Invalid command");
    }
  }
}