hola quisiera saber si me pueden corregir mi problema deseo hacer funcionar u

#include <Wire.h>

#include <FastIO.h>
#include <I2CIO.h>
#include <LCD.h>
#include <LiquidCrystal.h>
#include <LiquidCrystal_I2C.h>
#include <LiquidCrystal_SR.h>
#include <LiquidCrystal_SR2W.h>
#include <LiquidCrystal_SR3W.h>

//Code by Reyfus
//Original Code by: ironicDeveloper 12/18/2011
//Help & parts of code from arduino forum
// //variables de los componentes
int a;
int calibrationTime = 10;

//El tiempo cuando el sensor emite un impulso de baja
long unsigned int lowIn;

//La cantidad de milisegundos el sensor tiene que ser bajo
//Antes de que asuma todo el movimiento se ha detenido
long unsigned int pause = 5000;

boolean lockLow = true;
boolean takeLowTime;

int pirPin = 10; //pin digital conectado a la salida del sensor PIR
int ledPin = 13;
int alarma = 11;

#include <Keypad.h> //Includes keypad library
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);

const byte ROWS = 4; //Set Leypad Pins
const byte COLS = 4;
char keys[ROWS][COLS] = {
{'1', '2', '3', 'A'},
{'4', '5', '6', 'B'},
{'7', '8', '9', 'C'},
{'*', '0', '#', 'D'}
};
byte rowPins[ROWS] = { 9,8,7,6};
byte colPins[COLS] = { 5,4,3,2};

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

char inputArray[4]; //Creates the input array
char Main[4] = {'4','6','2','7'}; //creates arra for correct password first door
char Guest[4] = {'1','2','3','4'}; //creates arra for correct Password Second door

#define registerPin 10 //First door open pin
#define secondPin 9 //Second door open pin

int i = 0; //variable to count number of key pressed
long tempo = 0; //variable that counts inactive time for display reset

void setup()
{ pinMode(pirPin, INPUT);
pinMode(ledPin, OUTPUT);
pinMode(alarma, OUTPUT);
digitalWrite(pirPin, LOW);
lcd.begin(20,4); //start the lcd
pinMode(registerPin, OUTPUT); //set First door open pin
pinMode(secondPin, OUTPUT); //set Second door open pin
lcd.print("Enter password"); //Print Message
lcd.setCursor(0, 1); //put cursor on second line
}

void loop()
{

char key = kpd.getKey(); //read ley press

if(key)
{

inputArray = key; //record key press in input array
tempo=0; // zero inactive time variable
i++; // increase key pressed variable
lcd.print(key); //print key pressed to LCD
if(digitalRead(pirPin) == HIGH){ lcd.print("Enter password"); //write message

  • lcd.setCursor(0, 1);*

  • delay(10000);*

  • digitalWrite(alarma,HIGH);*
    }else { digitalRead( a== Guest[4]) ;
    digitalWrite(alarma, LOW);
    digitalWrite(pirPin,LOW);//put cursor on second line

  • (i == 4); //If 4 keys have been pressed*
    }
    if (inputArray[0] == Main[0] && //compare input password to door 1 password
    inputArray[1] == Main[1] && //compare input password to door 1 password
    inputArray[2] == Main[2] && //compare input password to door 1 password
    inputArray[3] == Main[3]) ;}//compare input password to door 1 password

  • else {*

  • digitalWrite(registerPin, HIGH); //Activate door 1 relay*

  • delay(500); // wait half a second*

  • digitalWrite(registerPin, LOW); //deactivate relay*

  • lcd.clear(); //clears lcd*

  • lcd.print("Correct Password"); // write message*

  • delay(1500); // Wat 1.5 sec*

  • memset(inputArray,'\0',4); //clears the input array*

  • lcd.clear(); //clear lcd*

  • lcd.print("Enter password"); //write message*

  • lcd.setCursor(0, 1); //put cursor on second line*

  • } else {*

  • if (inputArray[0] == Guest[0] && //compare input password to door 2 password*
    inputArray[1] == Guest[1] && //compare input password to door 2 password
    inputArray[2] == Guest[2] && //compare input password to door 2 password
    inputArray[3] == Guest[3]) //compare input password to door 2 password

  • {*

  • digitalWrite(secondPin, HIGH); //Activate door 2 relay*

  • delay(500); // wait half a second*

  • digitalWrite(secondPin, LOW); //deactivate relay*

  • lcd.clear(); //clears lcd*

  • lcd.print("Correct Password"); // write message*

  • delay(1500); // Wat 1.5 sec*

  • memset(inputArray,'\0',4); //clears the input array*

  • lcd.clear(); //clear lcd*

  • lcd.print("Enter password"); //write message*

  • lcd.setCursor(0, 1); //put cursor on second line*

  • }*

  • else // in case of wrong password*

  • {*

  • memset(inputArray,'\0',4); //clears the input array*

  • delay(1000); //wait 1 sec*

  • lcd.clear(); //clear lcd*

  • lcd.print("Wrong Password"); // write message*

  • delay(1500); // Wat 1.5 sec*

  • lcd.clear(); //clear lcd*

  • lcd.print("Enter password"); //write message*

  • lcd.setCursor(0, 1); //put cursor on second line*

  • }*

  • }*

  • i=0; //Zero number of keys pressed*
    }

  • }*

  • tempo++; //increase inactive time varieable*

  • if (tempo > 4500000) //if inactive time variable reaches near 45sec*

  • {*

  • i=0; //zero key presses*

  • memset(inputArray,'\0',4); //clears the input array*

  • lcd.clear(); //clear lcd*

  • lcd.print("Enter password:"); //write message*

  • lcd.setCursor(0, 1); //put cursor on second line*

  • tempo=0; // zero inactive time variable*

  • }*
    };

  1. Lee las normas del foro sobre como postear ya que para poner un codigo se usa el comando
2. No se que quieres el titulo es muy largo y no terminaste de escribirlo.