// LAB 2; ADRIANA SARAH BINTI AHMAD FAIZA ; 52224123439

#include <LiquidCrystal.h>

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

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

byte smiley[8] = {
  0b00000,
  0b00000,
  0b01010,
  0b00000,
  0b00000,
  0b10001,
  0b01110,
  0b00000
};

void setup() {
  lcd.begin(16, 2);
  
  // to create the custom characters
  lcd.createChar(0, heart);
  lcd.createChar(1, smiley);
}

void loop() {
  // task a: initialize the display, add text, and move the cursor
  lcd.clear();
  lcd.print("Hello, World!");
  delay(2000);
  lcd.setCursor(0, 1);
  lcd.print("teddy <3");
  delay(2000); 
  lcd.clear();
  
  // task b: create and display custom characters
  lcd.setCursor(0, 0);
  lcd.write(byte(0));
  lcd.setCursor(1, 0);
  lcd.write(byte(1));
  delay(2000);
  lcd.clear();
  
  // task c: display special symbols
  lcd.print("Temp: ");
  lcd.print((char)223);  // degree symbol
  lcd.print("C");
  delay(2000);
  lcd.clear();
  
  // task d: animate custom characters
  for (int i = 0; i < 16; i++) {
    lcd.setCursor(i, 0);
    lcd.write(byte(0));
    delay(200);
    lcd.setCursor(i, 0);
    lcd.print(" ");
  }
  
  // debugging display
  lcd.setCursor(0, 1);
  lcd.print("Debug: Done");
  delay(2000); 
}