#include <Servo.h>
#include <LiquidCrystal_I2C.h>

#define pinBuzzer 7
#define potpin A0
#define pinServo 9

Servo myservo;
LiquidCrystal_I2C lcd(0x27,16,2);

int val;

byte simbolDerajat[] = { //dari generator: https://maxpromer.github.io/LCD-Character-Creator/
  B01110,
  B10001,
  B10001,
  B01110,
  B00000,
  B00000,
  B00000,
  B00000
};

void setup() {
  // put your setup code here, to run once:
  myservo.attach(pinServo);
  lcd.init();
  lcd.backlight();
  lcd.createChar(0,simbolDerajat);
}

void loop() {
  // put your main code here, to run repeatedly:
  noTone(pinBuzzer);
  val=analogRead(potpin);
  lcd.setCursor(2,0);
  lcd.print("Potensio ");
  lcd.println(val);
  val=map(val,0,1023,0,180);
  myservo.write(val);
  if (val >90)
    tone(pinBuzzer,200);
  lcd.setCursor(2,1);
  lcd.print("Derajat ");
  lcd.println(val);
  lcd.setCursor(13,1);
  lcd.write(0);
  delay(15);
}