#include <LiquidCrystal.h>

LiquidCrystal lcd(13,12,11,10,9,8);



void setup() {
  // put your setup code here, to run once:
  lcd.begin(16,2);
}

void loop() {
  // put your main code here, to run repeatedly:
  int ertek = analogRead(A0);
  double v=ertek*(5.0/1023.0);
  lcd.clear();
  analogRead(A0);
  lcd.clear();
  lcd.print("leolv ertek");
  lcd.print(ertek);
  lcd.setCursor(0,1);
  lcd.print("v = ");
  lcd.print(v);


  delay(200);
}