#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

uint8_t user_card[8]{
  0b11111,
  0b11111,
  0b10101,
  0b11111,
  0b10101,
  0b11111,
  0b11111
};

void createChar(uint8_t location, uint8_t mychar[]){
  lcd.command(LCD_SETCGRAMADDR | location << 3);
  for(size_t i = 0; i < 8; i++){
    lcd.write(user_card[i]);
  }
}

void setup(){
  lcd.init();
  lcd.backlight();
  createChar(1, user_card);
 
  lcd.setCursor(0,0);
  lcd.print("\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1");
}

void loop(){
    lcd.scrollDisplayLeft();
    delay(50);

}