#include <LiquidCrystal.h>

LiquidCrystal lcd(19, 18, 5, 17, 16, 4);

uint8_t heart[8] = {
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000,
};

void setup() {
  lcd.createChar(3, heart);
  lcd.begin(16, 2);
  lcd.print("  I \x03 Arduino");
}

void loop() {
  uint8_t heart2[8] = {0};
  for (int i = 0; i < 8; i++) {
    heart2[i] = heart[i];
    lcd.createChar(3, heart2);
    delay(100);
  }
  delay(500);
}