#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

#define PIN_POT A0

void setup() {
  lcd.begin(16, 2);

  lcd.print("Iniciando...");
  delay(2000);
  lcd.clear();
}

void loop() {

  int valor = analogRead(PIN_POT);

  int valor_11 = valor * 2;

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("ADC 11 bits:");

  lcd.setCursor(0, 1);
  lcd.print(valor_11);

  delay(500);
}