#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
char subjects[4][12] = {"Computer", "IOT", "Database", "Math"};

void setup() {
  lcd.begin(16, 2); // Initialize LCD with 16 columns and 2 rows
}

void loop() {
  for (int i = 0; i < 4; i++) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Subject:");
    lcd.setCursor(0, 1);
    lcd.print(subjects[i]);
    delay(1000); // Display each subject for 1000 ms
  }
}