#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

unsigned long previousMillis1 = 0;
unsigned long previousMillis2 = 0;
const long interval1 = 250; // Interval for scrolling text 1
const long interval2 = 250; // Interval for scrolling text 2
String message1 = "First Text";
String message2 = "Second Text";
int lcdColumns = 16;

void setup() {
  Wire.begin();
  Serial.begin(115200);
  Serial.println("I2C Scanner");
  lcd.init();
  lcd.backlight();
  lcd.home();
}

void scrollText(int row, String message, unsigned long &previousMillis, const long interval) {
  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
    for (int i = 0; i < lcdColumns; i++) {
      message = "  " + message;
    }
    message = message + "  ";
    static int pos = 0;
    lcd.setCursor(0, row);
    lcd.print(message.substring(pos, pos + lcdColumns));
    pos++;
    if (pos >= message.length()) {
      pos = 0;
    }
  }
}

void loop() {
  lcd.home();

  // Scroll text 1
  scrollText(0, message1, previousMillis1, interval1);

  // Scroll text 2
  scrollText(1, message2, previousMillis2, interval2);
}