#include <LiquidCrystal.h>

// Define the LCD pin connections
const int rs = 13;   // Register Select pin
const int en = 14;   // Enable pin
const int d4 = 19;   // Data pin 4
const int d5 = 18;   // Data pin 5
const int d6 = 21;   // Data pin 6
const int d7 = 22;   // Data pin 7

LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

// Custom characters for heart, bell, alien, check, speaker, sound, skull, and lock symbols
byte heartSymbol[8] = {
  B00000,
  B01010,
  B11111,
  B11111,
  B11111,
  B01110,
  B00100,
  B00000
};

byte bellSymbol[8] = {
  B00100,
  B01110,
  B01110,
  B01110,
  B11111,
  B00000,
  B00100,
  B00000
};

byte alienSymbol[8] = {
B11111,
B10101,
B11111,
B11111,
B01110,
B01010,
B11011,
B00000
  
};

byte checkSymbol[8] = {
 B00000,
B00001,
B00011,
B10110,
B11100,
B01000,
B00000,
B00000
};

byte speakerSymbol[8] = {
  B00001,
  B00011,
  B01111,
  B01111,
  B01111,
  B00011,
  B00001,
  B00000
};

byte soundSymbol[8] = {
  B00001,
  B00011,
  B00101,
  B01001,
  B01001,
  B01011,
  B11011,
  B11000
};

byte skullSymbol[8] = {
  B00000,
  B01110,
  B10101,
  B11011,
  B01110,
  B01110,
  B00000,
  B00000
};

byte lockSymbol[8] = {
  B01110,
  B10001,
  B10001,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111
};

void setup() {
  lcd.begin(16, 2);  // Initialize the LCD with 16 columns and 2 rows
  lcd.createChar(0, heartSymbol);    // Create custom character for heart symbol
  lcd.createChar(1, bellSymbol);     // Create custom character for bell symbol
  lcd.createChar(2, alienSymbol);    // Create custom character for alien symbol
  lcd.createChar(3, checkSymbol);    // Create custom character for check symbol
  lcd.createChar(4, speakerSymbol);  // Create custom character for speaker symbol
  lcd.createChar(5, soundSymbol);    // Create custom character for sound symbol
  lcd.createChar(6, skullSymbol);    // Create custom character for skull symbol
  lcd.createChar(7, lockSymbol);     // Create custom character for lock symbol
  lcd.clear();
}

void loop() {
  // Display "Custom Character" on the 0th row
  lcd.setCursor(0, 0);
  lcd.print("Custom Character");

  // Display symbols on the 1st row with spaces between them
  lcd.setCursor(0, 1);
  lcd.write((byte)0);  // Heart symbol
  lcd.print(" ");
  lcd.write((byte)1);  // Bell symbol
  lcd.print(" ");
  lcd.write((byte)2);  // Alien symbol
  lcd.print(" ");
  lcd.write((byte)3);  // Check symbol
  lcd.print(" ");
  lcd.write((byte)4);  // Speaker symbol
  lcd.print(" ");
  lcd.write((byte)5);  // Sound symbol
  lcd.print(" ");
  lcd.write((byte)6);  // Skull symbol
  lcd.print(" ");
  lcd.write((byte)7);  // Lock symbol
  
  delay(2000); // Wait for 2 seconds before clearing the display
  lcd.clear();
  delay(1000); // Wait for 1 second before displaying the next set of symbols
}