#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27 , 2 , 16);

byte char_0[] = { 
 0b00000 , 
 0b00000 , 
 0b00000 , 
 0b00000 , 
 0b11111 , 
 0b11111 , 
 0b11111 , 
 0b11111 , 
 0b00000 
};


byte char_1[] = { 
 0b00000 , 
 0b11111 , 
 0b00000 , 
 0b00000 , 
 0b00000 , 
 0b11111 , 
 0b11111 , 
 0b11111 , 
 0b00000 
};


byte char_2[] = { 
 0b00000 , 
 0b11111 , 
 0b11111 , 
 0b00000 , 
 0b00000 , 
 0b00000 , 
 0b11111 , 
 0b11111 , 
 0b00000 };

byte char_3[] = { 
 0b00000 , 
 0b11111 , 
 0b11111 , 
 0b11111 , 
 0b00000 , 
 0b00000 , 
 0b00000 , 
 0b11111 , 
 0b00000 };

byte char_4[] = { 
 0b00000 , 
 0b11111 , 
 0b11111 , 
 0b11111 , 
 0b11111 , 
 0b00000 , 
 0b00000 , 
 0b00000 , 
 0b00000 };

byte up_button = 3 ;
byte down_button = 4 ;

byte counter = 0 ;


void setup() {
 lcd.init();
 lcd.backlight();
 lcd.clear();
 lcd.createChar(1 , char_1);
  lcd.createChar(2 , char_2);
  lcd.createChar(3 , char_3);
  lcd.createChar(4 , char_4);
 lcd.setCursor(0,0);
 lcd.write(1);
 lcd.setCursor(1,0);
 lcd.write(2);
 lcd.setCursor(2,0);
 lcd.write(3);
 lcd.setCursor(3,0);
 lcd.write(4);

  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}