#include <Keypad.h>
#include <LiquidCrystal.h>
int i=5;
LiquidCrystal lcd(7,8,9,10,11,12);

const byte KEYPAD_ROWS = 4;
const byte KEYPAD_COLS = 4;
byte rowPins[KEYPAD_ROWS] = {5, 4, 3, 2};
byte colPins[KEYPAD_COLS] = {A3, A2, A1, A0};
char keys[KEYPAD_ROWS][KEYPAD_COLS] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, KEYPAD_ROWS, KEYPAD_COLS);

void setup()
 {
  pinMode(6, OUTPUT);
  pinMode(13, OUTPUT);
  lcd.begin(20,4);
  lcd.setCursor(0,0);
  lcd.print("____...HELLO..._____");
  lcd.setCursor(1,1);
  lcd.print("SUWAIBAH 632021134");
  lcd.setCursor(4,2);
  lcd.print("Mode : Manual");
  }

void loop()
 {char key = keypad.getKey();
  if(key =='3'){digitalWrite(6, HIGH);tone(13,500);delay(10);noTone(13);}
  if(key =='4'){digitalWrite(6, LOW);tone(13,500);delay(10);noTone(13);}
  //if(key =='A'){digitalWrite(6, HIGH);tone(13,500);delay(10);noTone(13);}
  //if(key =='#'){digitalWrite(6, LOW);}

  if(key=='A')
  {
    digitalWrite(6, HIGH);delay(500);
    for(int i=5; i--;)
   
    {
      lcd.setCursor(4,2);
      lcd.print(" Mode : Auto ");
      lcd.setCursor(9,3);
      lcd.print(i,DEC);
      delay(500); 
      tone(13,1000);
      delay(100);
      noTone(13);
    }
    //if(i==0)
    digitalWrite(6, LOW);tone(13,2000);delay(1000);noTone(13);
  }
}