#include <LiquidCrystal_I2C.h> //libari lcd i2c 
//kalau masih tampil, ganti menjadi 0x3f (alamat 12c) 
LiquidCrystal_I2C lcd (0x27,16,2);

void setup() {
// put your setup code here, to run once:
lcd.init(); 
//lcd.begin(20,4);
lcd.backlight();
lcd.print ("Welcome to lcd");
delay(1000);
lcd.clear();
}

void loop() {
//put your main code here, to run repeatedly:
//lcd.backlight(); //on backlight
lcd.noBacklight(); //off backlight
lcd.setCursor(0, 0);
lcd.print("CAHYO PUSPITO"); lcd.setCursor(0, 1);
lcd.print("22040016");
}