#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
 Serial.begin(115200);
 lcd.init();
 lcd.backlight();
}

void loop() {
 lcd.setCursor(4, 0);
 lcd.print("Hello 1/2");
 lcd.setCursor(2, 1);
 lcd.print("I am ");
 lcd.backlight();
 delay(500);
 lcd.clear();
 lcd.noBacklight();
 delay(500);
}