#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2); // I2C address 0x27, 16 column and 2 rows

byte customChar0[8] = {
  0b00000,
  0b00000,
  0b00000,
  0b00001,
  0b00011,
  0b00111,
  0b01111,
  0b11111
};

byte customChar1[8] = {
  0b11111,
  0b01111,
  0b00111,
  0b00011,
  0b00001,
  0b00000,
  0b00000,
  0b00000
};

byte customChar2[8] = {
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b11111,
  0b11111
};

byte customChar3[8] = {
  0b11111,
  0b11111,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
  0b00000
};

void setup(){
  lcd.init(); // initialize the lcd
  lcd.backlight();
}

void loop(){
  // put your main code here, to run repeatedly:
  lcd.createChar(0, customChar0); // create a new custom character (index 0)
  lcd.setCursor(14, 0); // move cursor to (14, 0)
  lcd.write((byte)0);  // print the custom char 0 at (14, 0)

  lcd.createChar(1, customChar1); // create a new custom character (index 01)
  lcd.setCursor(14, 1); // move cursor to (14, 1)
  lcd.write((byte)1);  // print the custom char 1 at (14, 1)

  lcd.createChar(2, customChar2); // create a new custom character (index 02)
  lcd.setCursor(15, 0); // move cursor to (15, 0)
  lcd.write((byte)2);  // print the custom char 2 at (15, 0)

  lcd.createChar(3, customChar3); // create a new custom character (index 03)
  lcd.setCursor(15, 1); // move cursor to (15, 1)
  lcd.write((byte)3);  // print the custom char 3 at (15, 1)

  lcd.scrollDisplayLeft();
  delay(500);
}