#include <LiquidCrystal.h>
#include <LiquidCrystal_I2C.h> // Library for LCD
//int
int seconds = 0;
const int pull= 6;
const int buzzer = 7;
const int silence = 5
//LCD
LiquidCrystal_I2C lcd(0x27, 16, 2); // I2C address 0x27, 16 column and 2 rows
//define list
#define relay1 8

void setup(){
    Serial.begin(9600);
lcd.init(); //initialize the lcd
lcd.backlight(); //open the backlight 
pinMode(pull, INPUT);
pinMode(8, OUTPUT);
pinMode(7, OUTPUT);
pinMode(5, INPUT);
  tone(buzzer, 800);
  lcd.begin(16, 2);
  lcd.setCursor(0, 0);
  lcd.print("CX100 Pannel");
  Serial.println("CVALENX100 PANNEL NO TAMPERING!");
  lcd.setCursor(0, 1);
  lcd.print("V2.0");
  delay(5000);
  lcd.clear();
  noTone(buzzer);
  lcd.setCursor(0, 0);
  lcd.print("System Start");
  delay(5000);
  
    
}



void loop(){
nml();
  delay(100);
}

//nml = Normal
//sys = System
void nml(){
if (digitalRead(6) == LOW) nmlsys();
  else if (digitalRead(6) == HIGH) alarm();
}
void nmlsys(){
  nmlled();
  noTone(buzzer); 
}

void nmlled(){
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("System Normal");
  Serial.println("System Normal");
  lcd.setCursor(0,1);
  lcd.print("                ");
  delay(1000);
}

void alarm(){
  int hbt= 31;
  lcd.clear();
  lcd.print("ALARM  ");
  tone(buzzer, 800);
  delay(1000);
  digitalWrite(relay1,HIGH);
  if (digitalRead(5) == HIGH) silence1();
  else;
}

void silence1(){
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("System Trobble");
}