#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,5,4,3,2);
void setup() 
{
  lcd.begin(16,2);
lcd.clear();
lcd.setCursor(0,0);
lcd.print("Program ADC");
delay(1000);
lcd.clear();
}

void loop() 
{
float dataADC = analogRead(A0);//baca pin analog A0
float volt=dataADC*5/1023; //hitung nilai tegangan
//tampilkan nilai ADC
lcd.setCursor(0,0);
lcd. print("ADC= ");
lcd.print(dataADC);
//tampilkan nilai tegangan
lcd.setCursor(0,1);
lcd.print(" V= ");
lcd.print(volt);
delay(500);
}