Arduino Controlled Safe (Locker)

// Main Code

/*

***  DON'T FORGET TO DOWNLOAD AND INSTALL THE PASSWORD AND KEYPAD LIBRARIES   ***

                 JUST EXTRACT THEM IN ARDUINO LIBRARIES FOLDER
*/
#include  //http://www.arduino.cc/playground/uploads/Code/Password.zip
#include  //http://www.arduino.cc/playground/uploads/Code/Keypad.zip
#include <LiquidCrystal.h>
#include <Servo.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
Servo myservo;
Password password = Password( "123" );//CHANGE THE PASSWORD HERE
byte led = 13;
const byte ROWS = 4; // Four rows
const byte COLS = 4; //  columns
// Define the Keymap
char keys[ROWS][COLS] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};

byte rowPins[ROWS] = { A0, A1, A2, A3 };// Connect keypad ROW0, ROW1, ROW2 and ROW3 to these Arduino pins.
byte colPins[COLS] = { 9, 8, 7, 6 };// Connect keypad COL0, COL1 and COL2 to these Arduino pins.


// Create the Keypad
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );

void setup()
{
  pinMode(led, OUTPUT);
  myservo.attach(10);
   digitalWrite(led, LOW); // Turn the LED off
     myservo.write(70);
  lcd.begin(16, 2);
  Serial.begin(9600);
  lcd.print("ENTER PASSWORD");
  lcd.setCursor(0, 1);
  keypad.addEventListener(keypadEvent); //add an event listener for this keypad
}

void loop(){
  keypad.getKey();
}

//take care of some special events
void keypadEvent(KeypadEvent eKey){
  switch (keypad.getState()){
    case PRESSED:
  Serial.print("Pressed: ");
  Serial.println(eKey);
  switch (eKey){
    case 'A': checkPassword(); break;
    case 'C': password.reset(); break;
    default: password.append(eKey);
     }
  }
}

void checkPassword()
{
  if (password.evaluate())
  {
    Serial.println("Success");
    lcd.print("SAFE OPENED");
   myservo.write(110); 
    digitalWrite(led,HIGH);
    lcd.setCursor(0, 1);
    lcd.print("");
    password.reset();
  }
  else
  {
    Serial.println("Wrong");
    lcd.print("SAFE CLOSED");
     myservo.write(70); 
    digitalWrite(led,LOW);
    lcd.setCursor(0, 1);
    lcd.print("");
   password.reset();
  }
}

// Keypad Test Code :

#include <Keypad.h>
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
byte led = 13;
const int pass='1';
const byte ROWS = 4; //four rows
const byte COLS = 4; //three columns
char keys[ROWS][COLS] = 
{
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};
byte rowPins[ROWS] = {A0, A1, A2, A3}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {9, 8, 7, 6}; //connect to the column pinouts of the keypad

Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );

void setup()
{
   pinMode(led, OUTPUT);
   digitalWrite(led, LOW);           // Turn the LED off.
  lcd.begin(16, 2);
  Serial.begin(9600);
   lcd.print("ENTER PASSWORD");
   lcd.setCursor(0, 1);
   keypad.addEventListener(keypadEvent);
}
  
void loop(){
  char key = keypad.getKey();
  
  if (key)
  {
    Serial.println(key);
    lcd.print(key);
  }
}
void keypadEvent(KeypadEvent key)
{
    switch (keypad.getState())
    {
    case PRESSED:
        if (key ==pass ) 
        {
            digitalWrite(led,HIGH);        // Remember LED state
        }
        else{digitalWrite(led,LOW);}
        break;
    }
}