#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
lcd.init();
lcd.backlight();
lcd.setCursor(1, 0);
lcd.print("Program ADC dan LCD I2C");
}

void loop() {
float dataADC=analogRead(A3);
float volt = dataADC*5/1023;
lcd.setCursor(0,0);
lcd.print("Data ADC =");
lcd.print(dataADC);

lcd.setCursor(0,1);
lcd.print("Data Tegangan =");
lcd.print(volt);
}