#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>
const int pot = A0;
const int buzzPin = 8;
const int servoPin = 9;
const int val;
LiquidCrystal_I2C lcd(0x27, 16, 2);
Servo myservo;

void setup() {
  Serial.begin(9600);
  pinMode(buzzPin,OUTPUT);
  myservo.attach(servoPin);
  lcd.begin(16, 2);
  lcd.init();
  lcd.setBacklight(HIGH);
}

void loop() {
  int val = analogRead(pot); //membaca sinyal analog input di A0 
  int sudut = map(val, 0, 1023, 0, 180); //konversi hasil analog (0-1023) menjadi 
  myservo.write(sudut);
  lcd.setCursor(0,0);
  lcd.print(" Pot Value : ");
  lcd.setCursor(0,1);
  Serial.println(val);

  if(sudut == 180){
    tone(buzzPin,HIGH);
    delay(1000);
  }
  else{
    noTone(buzzPin);
    
  }

}