#include <LiquidCrystal.h>
LiquidCrystal lcd(19,18,5,17,16,4);
byte heart[8]= {
  0b00001,
  0b00011,
  0b00101,
  0b010001,
  0b010001,
  0b010011,
  0b01011,
  0b11011,
  0b11000
};
void setup(){
  lcd.begin(16,2);
  lcd.createChar(0,heart);
}
void loop(){
  lcd.setCursor(0,0);
  lcd.write(byte(0));
}