#include <LiquidCrystal.h>
LiquidCrystal lcd(23, 22, 19, 18, 5, 16);

byte heart[8] = 

              {

                0b00000,

                0b01010,

                0b11111,

                0b11111,

                0b11111,

                0b01110,

                0b00100,

                0b00000

              };


byte smile[8] = 

              {

                0b00000,

                0b00000,

                0b01010,

                0b00000,

                0b10001,

                0b01110,

                0b00000,

                0b00000

              };
void setup()
{
   lcd.begin(16,2);
   lcd.createChar(1, heart);
   lcd.createChar(2, smile);
}

void loop()
{
   lcd.setCursor(0,0);
   lcd.write(1);
   lcd.setCursor(0,1);
   lcd.write(2);
 }