#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

byte pattern[][8] = 
{
  {
    0b11111,
    0b11111,
    0b11111,
    0b11111,
    0b11111,
    0b11111,
    0b11111,
    0b11111,
  },
  {
    0b00100,
    0b01000,
    0b01000,
    0b10000,
    0b10000,
    0b10000,
    0b10000,
    0b10000,
  },
  {
    0b00001,
    0b00010,
    0b00110,
    0b00100,
    0b01000,
    0b01000,
    0b10000,
    0b10000,
  },
  {
    0b10000,
    0b01000,
    0b01100,
    0b00100,
    0b00010,
    0b00010,
    0b00001,
    0b00001,
  },
  {
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b00001,
    0b00011,
  },
  {
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b00100,
    0b11111,
    0b00000,
    0b00000,
  },
  {
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b10000,
    0b11000,
  },
  {
    0b00100,
    0b00010,
    0b00010,
    0b00001,
    0b00001,
    0b00001,
    0b00001,
    0b00001,
  },
  {
    0b10000,
    0b10000,
    0b10000,
    0b10000,
    0b10000,
    0b01000,
    0b01000,
    0b00100,
  },
  {
    0b00011,
    0b00011,
    0b00001,
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b00000,
  },
  {
    0b00000,
    0b00000,
    0b00000,
    0b11111,
    0b00100,
    0b00000,
    0b00000,
    0b00000,
  },
  {
    0b11000,
    0b11000,
    0b10000,
    0b00000,
    0b00000,
    0b00000,
    0b00000,
    0b00000,
  },
  {
    0b00001,
    0b00001,
    0b00001,
    0b00001,
    0b00001,
    0b00010,
    0b00010,
    0b00100,
  },
};


void setup()
{
  lcd.begin(16,2);
  lcd.clear();
}

void loop()
{
  // ==========================================================
  // Show custom pattern of top row
  // ==========================================================
  lcd.clear();
  delay( 500);

  lcd.createChar(0, pattern[0]);
  lcd.createChar(1, pattern[1]);
  lcd.createChar(2, pattern[2]);
  lcd.createChar(3, pattern[3]);
  lcd.createChar(4, pattern[4]);
  lcd.createChar(5, pattern[5]);
  lcd.createChar(6, pattern[6]);
  lcd.createChar(7, pattern[7]);

  // The character with value zero can not be printed with a zero-terminated string.
  lcd.setCursor(2, 0);
  lcd.write('\0');
  lcd.setCursor(12, 0);
  lcd.write('\0');

  lcd.setCursor(3,0);
  lcd.write( "\1\2\3\4\5\6\2\3\7");

  delay( 2000);

  // ==========================================================
  // Show custom pattern of bottom row
  // ==========================================================
  lcd.clear();
  delay( 500);

  lcd.createChar(1, pattern[8]);
  lcd.createChar(2, pattern[9]);
  lcd.createChar(3, pattern[10]);
  lcd.createChar(4, pattern[11]);
  lcd.createChar(5, pattern[12]);

  lcd.setCursor(3,1);
  lcd.write( "\1  \2\3\4  \5");

  delay( 2000);

  // ==========================================================
  // Show all the patterns from the array
  // ==========================================================
  lcd.clear();
  delay( 500);

  lcd.setCursor( 0, 0);
  lcd.write( "Index  : ");
  lcd.setCursor( 0, 1);
  lcd.write( "Custom : \7");
  for( int i=0; i<sizeof( pattern)/sizeof(pattern[0]); i++)
  {
    lcd.setCursor( 9, 0);
    lcd.print( i);
    lcd.createChar(7, pattern[i]);
    delay( 500);
  }
  delay( 1000);
}