AUTOMATIC DOOR LOCK & PASSWORD BASED DOOR PROTECT

PROJECT:

"Automatic Door close & Password Based Unlock Protect"

Made by:

FARAZ AHMED
Bsc(EE) APCOMS
13-5-2016 , 6:00pm
Contact Faraz

VIDEO:

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COMPONENTS:

·        Arduino Uno/Mega  x1

·        Breadboard  x1

·        4×4 Keypad  x1

·        Servo Motor  x1

·        Red LED  x1

·        Green LED  x1

·        220 Ohm  x2

·        Jumper Cable

PIN MAPING FOR LCD:

PIN MAPING HEX KEYPAD,LEDS & SERVO:

DESCRIPTION:

   Download the Libraries if you don’t have from internet...........

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C-CODE:

#include <Keypad.h>

#include <Servo.h>

#include<LiquidCrystal.h>

LiquidCrystallcd(10, 9, 8, 7, 6, 5);

Servo servo_Motor;

char* password = "786";

int position = 0;

const byte ROWS = 4;

const byte COLS = 4;

char keys[ROWS][COLS] = {

{'1','2','3','A'},

{'4','5','6','B'},

{'7','8','9','C'},

{'*','0','#','D'}

};

byterowPins[ROWS] = { 3, 2, A5, A4 };

bytecolPins[COLS] = { A3, A2, A1, A0 };

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

intredPin = 12;

intgreenPin = 13;

void setup()

{

  // set up the LCD's number of columns and rows:

lcd.begin(16, 2);

  // Print a message to the LCD.

pinMode(redPin, OUTPUT);

pinMode(greenPin, OUTPUT);

servo_Motor.attach(11);

setLocked(true);

lcd.print("Input Password");

lcd.setCursor(0,1);

lcd.print("To Unlock Door");

}

void loop()

{

  // print the number of seconds since reset:

char key = keypad.getKey();

if (key == '*' || key == '#' )

{ lcd.clear();

lcd.setCursor(0,0);

lcd.print("Door is Closed");

position = 0;

setLocked(true);

}

if (key == password[position])

{lcd.clear();

lcd.setCursor(0,0);

lcd.print("Door is Unlocked");

lcd.setCursor(0,1);

lcd.print("Now Welcome");

position ++;

}

if (position == 3)

{

setLocked(false);

}

delay(100);

}

voidsetLocked(int locked)

{

if (locked)

{

digitalWrite(redPin, HIGH);

digitalWrite(greenPin, LOW);

servo_Motor.write(11);

}

else

{

digitalWrite(redPin, LOW);

digitalWrite(greenPin, HIGH);

servo_Motor.write(180);

}

}

REFERENCE WEBSITE:

http://www.letsarduino.com/project-20-arduino-door-lock-using-4x4-keypad-and-servo-motor/

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