#include<LiquidCrystal.h>
LiquidCrystal lcd(23,22,17,16,4,2);
byte heart[] = {
  0b00000,
  0b11011,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000,
  0b00000,
};
byte bell[] = {
  0b00100,
  0b01110,
  0b01110,
  0b01110,
  0b11111,
  0b00000,
  0b00100,
  0b00000,
};
byte robot[] = {
  0b11111,
  0b10101,
  0b11111,
  0b11111,
  0b01110,
  0b11011,
  0b00000,
  0b00000,

};
void setup() {
  lcd.begin(16,2);
  lcd.createChar(1,heart);
  lcd.createChar(2,bell);
  lcd.createChar(3,robot);
}

void loop() {
  lcd.setCursor(0,0);
  lcd.write(1);
  lcd.write(2);
  lcd.write(3);
  delay(500);
}