#include <Keypad.h> 
#include <RTClib.h>

int buzzer = 11;
int ledverde = 13;
int ledrojo = 12;
int ledblanco = 10;
RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};



const byte ROWS = 4;
const byte COLS = 3;

char keys [ROWS] [COLS] = {

  {'1', '2', '3'},
  {'4', '5', '6'},
  {'7', '8', '9'},
  {'*', '0', '#'}
};

byte rowPins [ROWS] = {8, 7, 6, 5}; 
byte colPins [COLS] = {4, 3, 2, };

char i[4] = {0,0,0,0}; 
char key=0;
int j=0;
int cont = 0;

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

void setup(){
Serial.begin(9600);
pinMode(ledverde, OUTPUT);
pinMode(ledrojo, OUTPUT);
pinMode(ledblanco, OUTPUT);
pinMode(buzzer, OUTPUT);



  if (! rtc.begin()) {
    Serial.println("RTC no encontrado");
    Serial.flush();
    abort();
  }
}


void printDate(DateTime date)
{
   
   Serial.print(date.day(), DEC);
   Serial.print('/');
   Serial.print(date.month(), DEC);
   Serial.print('/');
   Serial.print(date.year(), DEC);
   Serial.print('-');
   Serial.print(date.month(), DEC);
   Serial.print('/');
   Serial.print(date.day(), DEC);
   Serial.print('/');
   Serial.print(date.year(), DEC);
   Serial.print('-');
   Serial.print(date.year(), DEC);
   Serial.print('/');
   Serial.print(date.day(), DEC);
   Serial.print('/');
   Serial.print(date.month(), DEC);

   Serial.print(" (");
   Serial.print(daysOfTheWeek [date.dayOfTheWeek()]);
   Serial.print(") ");
   Serial.print(date.hour(), DEC);
   Serial.print(':');
   Serial.print(date.minute(), DEC);
   Serial.print(':');
   Serial.print(date.second(), DEC);
   Serial.println();

}

void loop(){

 DateTime now = rtc.now();


 while (cont < 4) {

  key = keypad.getKey();
  i[j] = key;
  if (key) {
    Serial.println("*"); 
j=j+1;
cont = cont+1;


  }
}

//1: 3114
if (i[0] == '3' && i[1] == '1' && i[2] == '1' && i[3] == '4') 
{
 Serial.println("Contraseña correcta, acceso permitido"); 
 Serial.println("Bienvenido Joel Ascolies");
 digitalWrite(ledverde, HIGH);
 DateTime now = rtc.now();
 printDate(now);
 delay(1500); 
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//3: 9812
else if (i[0] == '9' && i[1] == '8' && i[2] == '1' && i[3] == '2')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Tony Stark");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//4: 0666
else if (i[0] == '0' && i[1] == '6' && i[2] == '6' && i[3] == '6')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Lucifer Morningstar");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//2: 2221
else if (i[0] == '5' && i[1] == '5' && i[2] == '5' && i[3] == '5')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Bruce Wayne");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

//30: 2312
else if (i[0] == '2' && i[1] == '3' && i[2] == '1' && i[3] == '2')
{
 Serial.println("Contraseña correcta, acceso permitido");
 Serial.println("Bienvenido Jean-Luc Picard");
  DateTime now = rtc.now();
   printDate(now);
 digitalWrite(ledverde, HIGH);
 delay(1500);
 digitalWrite(ledverde, LOW);
 i [0]=0;
 i [1]=0;
 i [2]=0;
 i [3]=0;
}

else { 
  Serial.println();
  Serial.println("Contraseña incorrecta, acceso denegado"); 
  digitalWrite(ledrojo, HIGH);
  tone (buzzer, 880, 3000 );
  delay(3000);
  digitalWrite(ledrojo, LOW);
  noTone;
Serial.println();


}
cont =0; 
j=0;
key=0;
}