#include <LiquidCrystal_I2C.h>
#define LCD_ADDR 0x27
#define LCD_COLUMNS 16
#define LCD_ROWS 2

LiquidCrystal_I2C lcd(LCD_ADDR, LCD_COLUMNS, LCD_ROWS);


byte customChar[] = {
  B00000,
  B01010,
  B10101,
  B01010,
  B00100,
  B00000,
  B00000,
  B00000
};

void setup() {
  lcd.begin(16, 2);
  lcd.createChar(0, customChar);
  lcd.home();
  lcd.write(0);
}

void loop() { }