// LCD 20x4
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

void displayMessage(String message1, String message2, String message3, String message4, String message5, String message6, String message7) 
{
  //Ruangan 1
  lcd.setCursor(0, 0);            // move cursor the first row
  lcd.print(message1);
  lcd.setCursor(0, 1);            // move cursor to the second row
  lcd.print(message2);
  lcd.setCursor(0, 2);            // move cursor to the third row
  lcd.print(message3);
  lcd.setCursor(0, 3);            // move cursor to the fourth row
  lcd.print(message4);

  // Ruangan 2
  lcd.setCursor(10, 1);
  lcd.print(message5);
  lcd.setCursor(10, 2);
  lcd.print(message6);
  lcd.setCursor(10, 3);
  lcd.print(message7);
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  lcd.init(); // initialize the lcd
  lcd.backlight();
  Serial.println("Fire Protection");
  Serial.println("==UMSB Teknik Elektro==");
  displayMessage("  Fire Protection  ", "Ruang 1", "==Aman==", " ", "Ruang 2", "==Aman==", "");
  delay(3000);
}

void loop() {
  // put your main code here, to run repeatedly:
  displayMessage("  Fire Protection  ", "Ruang 1", "==Aman==", " ", "Ruang 2", "==Aman==", "");
  delay(3000);
  lcd.clear();
  displayMessage("  Fire Protection  ", "Ruang 1", "Evakuasi", "FAN ON", "Ruang 2", "==Aman==", "");
  delay(3000);
  lcd.clear();
  displayMessage("  Fire Protection  ", "Ruang 1", "Awas", " ", "Ruang 2", "==Aman==", "");
  delay(3000);
  lcd.clear();
  displayMessage("  Fire Protection  ", "Ruang 1", "==Aman==", " ", "Ruang 2", "==Aman==", "");
  delay(3000);
  lcd.clear();
}