#include <LiquidCrystal_I2C.h>

const int col = 16;
const int row = 2;

LiquidCrystal_I2C lcd(0x27, col, row);

// 👇 pixel untuk emoticon ❤
byte love[8] = {
  0b00000,
    0b01010,
      0b11111,
        0b11111,
          0b11111,
            0b01110,
              0b00100,
                0b00000
                };

                // 👇 set default text cursor
                int position = 0;
                int direction = 1;

                // 👇 set text to lcd
                const char* msg = " titii "; 

                // 👇 ukur panjang data text
                int msgLen = strlen(msg);

                void setup() {
                  lcd.init();
                    lcd.backlight();
                      
                        // 👇 initialisasi emoticon sebelum di cetak ke lcd   
                          lcd.createChar(0, love);
                          }

                          void loop() {
                            lcd.clear();

                              //👇 set posisi text dinamis
                                lcd.setCursor(position, direction);
                                  position+=1;
                                    
                                      // 👇 validasi naik turun text
                                        direction ? direction = 0 : direction = 1;
                                          
                                            // 👇 validasi offset text dari lcd  
                                              if(position < 0 || position >= col) {
                                                  position = 0;
                                                    }

                                                      // output: ❤ Anya ❤   
                                                        lcd.write(0);
                                                          lcd.print(msg);
                                                            lcd.write(0);
                                                              
                                                                delay(500);
                                                                }