#include <LCD_I2C.h>

LCD_I2C lcd(0x27);

byte RPM[5][8];

byte signs[3][8] = {
    {
      B00000,
      B00100,
      B01100,
      B11111,
      B11111,
      B01100,
      B00100,
      B00000
    },
    {
      B00000,
      B00100,
      B00110,
      B11111,
      B11111,
      B00110,
      B00100,
      B00000
    },
    {
      B11111,
      B10001,
      B10101,
      B10101,
      B10001,
      B10101,
      B10001,
      B11111
    }
};

void setup() {
  
    lcd.begin();
    lcd.backlight();

    for (int i = 0; i < 8; ++i) {

        RPM[0][i] = 0b10000;
        RPM[1][i] = 0b11000;
        RPM[2][i] = 0b11100;
        RPM[3][i] = 0b11110;
        RPM[4][i] = 0b11111;

    }

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

    lcd.setCursor(2, 0);
    
    lcd.print("327 km/h");

    lcd.setCursor(13, 0);
    
    lcd.print("6");

    for(int i = 0; i < 16; ++i) { 

        lcd.setCursor(i, 1);

        for(int n = 0; n < 5; ++n) { 

            lcd.setCursor(i, 1);

            lcd.write(byte(n));

            delay(20);

        }

    }

}

void loop() {

    lcd.setCursor(15, 0);
    lcd.write(byte(6));

    lcd.setCursor(0, 0);
    lcd.write(byte(5));

    delay(600);

    lcd.setCursor(0, 0);
    lcd.print(" ");

    lcd.setCursor(15, 0);
    lcd.print(" ");

    delay(600);

}