rinaldo.id hello world arduino led i2c

#include <LiquidCrystal_I2C.h>

//replace 0x3F with address you found at I2C scanner.
LiquidCrystal_I2C lcd(0x3F, 16, 2);

void setup() {

  //16 is the width. 2 is the height.
  lcd.begin(16,2);
  lcd.init();

  // Turn on the backlight.
  lcd.backlight();

  // Move the cursor characters to the right and
  // zero characters down (line 1).
  lcd.setCursor(0, 0);

  // Print HELLO WORLD! to the screen, starting at 0,0.
  lcd.print("HELLO WORLD!");

  // Move the cursor to the next line and print
  // www.rinaldo.id.
  lcd.setCursor(0, 1);
  lcd.print("www.rinaldo.id");
}

void loop() {
}