#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

// make some custom characters:
byte A[8] = {
0b00000,
0b00000,
0b00001,
0b00010,
0b00100,
0b01000,
0b11111,
0b01000
};

byte B[8] = {
0b00000,
0b11111,
0b01000,
0b00100,
0b10010,
0b00001,
0b11111,
0b00010
};

byte C[8] = {
0b00000,
0b11111,
0b00000,
0b00011,
0b00011,
0b00000,
0b11111,
0b00000
};

byte D[8] = {
0b00000,
0b10000,
0b01000,
0b00100,
0b00010,
0b00001,
0b11111,
0b00010
};

byte I[8] = {
0b01000,
0b01000,
0b01001,
0b01001,
0b01001,
0b01001,
0b01111,
0b00000
};

byte J[8] = {
0b00010,
0b00010,
0b10010,
0b10010,
0b10010,
0b10010,
0b11111,
0b00000
};
byte K[8] = {
0b11000,
0b11000,
0b00000,
0b00000,
0b00000,
0b00000,
0b11111,
0b00000
};
byte L[8] = {
0b11010,
0b11010,
0b00010,
0b00010,
0b00010,
0b00010,
0b11110,
0b00000
};


void setup() {
  // initialize LCD and set up the number of columns and rows:
  lcd.init();
  lcd.backlight();
  // create a new character
  lcd.createChar(0, A);
  // create a new character
  lcd.createChar(1, B);
  // create a new character
  lcd.createChar(2, C);
  // create a new character
  lcd.createChar(3, D);
  // create a new character
  lcd.createChar(4, I);
 // create a new character
  lcd.createChar(5, J);
   // create a new character
  lcd.createChar(6, K);
   // create a new character
  lcd.createChar(7, L);

  
  lcd.setCursor(0, 0);
 
   lcd.write(byte(0));
   lcd.write(byte(1));
   lcd.write(byte(2));
   lcd.write(byte(3));

  lcd.setCursor(0, 1);
      
  lcd.write(byte(4));
  lcd.write(byte(5));
  lcd.write(byte(6));
  lcd.write(byte(7));


}

void loop() 
{
  
}