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

#define buzzer 7
#define potensio A0

Servo myservo;
int potpin = 0;
int val,nada;

LiquidCrystal_I2C lcd(0x27,20,4);

void setup() 
{
  pinMode(buzzer, OUTPUT);
  pinMode(potensio, INPUT);

  myservo.attach(2);

  lcd.init();
  lcd.backlight();
}

void loop() 
{
  val = analogRead(potensio);
  tone(buzzer, val, 1000);
  lcd.setCursor(0,0);
  lcd.print("potensio : " + String(val) + " ");

  val = map(val, 0, 1023, 0, 180);
  myservo.write(val);
  lcd.setCursor(0,1);
  lcd.print("Derajat : " + String(val) + " ");
  delay(15);


  

}