#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

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

int buttonState = 0;

void setup() {
  lcd.init();
  lcd.backlight();
  lcd.createChar(3, heart);
  lcd.setCursor(2, 0);
  lcd.print("I \x03 Arduino \xaf");
  lcd.blink();
  pinMode(2, INPUT);
   pinMode(3, OUTPUT);
}

void loop() {
  buttonState = digitalRead(2);

  if (buttonState == HIGH) {
    lcd.print("Button pressed");
    digitalWrite(3, HIGH);
  } else{
    digitalWrite(3, LOW);
  } 
}