#include <LiquidCrystal_I2C.h>
int a[2]={21,22};

LiquidCrystal_I2C lcd(0x27,16,2);

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

void setup() {
  for(int i=0; i<=1;i++)
    pinMode(a[i], OUTPUT);
  
  lcd.init();
   lcd.createChar(3, heart);
  
}

void loop() {
  for(int i=0; i<=1;i++){
    digitalWrite(a[i], HIGH);
    delay(100);
    digitalWrite(a[i], LOW);
    delay(100);
  
  lcd.setCursor(0,0);
  lcd.print("Hello!");
  
  lcd.setCursor(1,1);
  lcd.print("Madlang peps\<3 !");

  delay(00);
  for(int i=0;i<10;i++)
    lcd.scrollDisplayLeft();
    delay(00);
    
  }
}