#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4);  //sometimes the LCD adress is not 0x3f. Change to 0x27 if it dosn't work.
int i = 0;

uint8_t bell[8]  = {0x4, 0xe, 0xe, 0xe, 0x1f, 0x0, 0x4};
uint8_t note[8]  = {0x2, 0x3, 0x2, 0xe, 0x1e, 0xc, 0x0};
uint8_t Clock[8] = {0x0, 0xe, 0x15, 0x17, 0x11, 0xe, 0x0};
uint8_t heart[8] = {0x0, 0xa, 0x1f, 0x1f, 0xe, 0x4, 0x0};
uint8_t duck[8]  = {0x0, 0xc, 0x1d, 0xf, 0xf, 0x6, 0x0};
uint8_t check[8] = {0x0, 0x1 ,0x3, 0x16, 0x1c, 0x8, 0x0};
uint8_t cross[8] = {0x0, 0x1b, 0xe, 0x4, 0xe, 0x1b, 0x0};
uint8_t retarrow[8] = {0x1, 0x1, 0x5, 0x9, 0x1f, 0x8, 0x4};


void setup() {
  lcd.init();                 //Init the LCD
  lcd.backlight();            //Activate backlight     

  lcd.createChar(0, bell);
  lcd.createChar(1, note);
  lcd.createChar(2, Clock);
  lcd.createChar(3, heart);
  lcd.createChar(4, duck);
  lcd.createChar(5, check);
  lcd.createChar(6, cross);
  lcd.createChar(7, retarrow);
  lcd.home();  
}

void loop() {
  // Turn off the display:
  lcd.clear();
  lcd.print("  JAGJEET SINGH  ");
  delay(5000);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.write(1);  
  lcd.write(2);  
  lcd.write(3);  
  lcd.write(4);  
  lcd.write(5);  
  lcd.write(6);  
  lcd.write(7);    
  delay(3000);
  
  lcd.noDisplay();
  delay(500);
  // Turn on the display:
  lcd.display();
  delay(500);

  lcd.noDisplay();
  delay(500);
  // Turn on the display:
  lcd.display();
  delay(500);

  
  lcd.clear();
  while(i<16)
  {
    lcd.setCursor(i,0);
    lcd.print("$");
    i = i + 1;
    delay(100);
  }
  i = 0;

  while(i<16)
  {
    lcd.setCursor(i,1);
    lcd.print("$");   
    i = i + 1;
    delay(100);
  }
  i = 0;

  lcd.setCursor(0,0);
  lcd.print("   1234567890   ");    
  lcd.setCursor(0,1);
  lcd.print("   0987654321   ");  
  delay(2000);

  lcd.setCursor(0,0);
  lcd.print("   !$%&/()=?!   ");  
  lcd.setCursor(0,1);
  lcd.print("   |@#~!$%&/%   ");  
  delay(2000);

  lcd.clear();
  lcd.setCursor(0,1);
  lcd.print("  This is LCD 2  ");
 
  
  delay(3000);  
}