#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  lcd.init();
  lcd.backlight();
}

void loop() {
  lcd.setCursor(0, 0);
  lcd.print("Hello, World!");
  delay(1000);
  lcd.clear();
  lcd.setCursor(0, 1);
  lcd.print("ESP32 I2C LCD");
  delay(1000);
  lcd.clear();
}