Keypad Lock with Password Proteus Simulation

 

// Upload this code for set Password

#include <EEPROM.h>

void setup(){

}

void loop(){

EEPROM.write(0, '1');

EEPROM.write(1, '2');

EEPROM.write(2, '3');

EEPROM.write(3, '4');

EEPROM.write(4, '5');

EEPROM.write(5, '6');

EEPROM.write(6, '7');

EEPROM.write(7, '8');

}

// Upload this code for keypad with 8 Digit Lock

#include <Keypad.h>

#include <EEPROM.h>

#include <Servo.h>

Servo myservo;

char d,d1,d2,d3,d4,d5,d6,d7,d10,d11,d12,d13,d14,d15,d16,d17;

int c,cpa;

bool cp,np;

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] = {11,12,14,15}; //connect to the row pinouts of the keypad

byte colPins[COLS] = {16,17,18,19}; //connect to the column pinouts of the keypad

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

void setup(){

pinMode(2,OUTPUT);

pinMode(3,OUTPUT);

pinMode(4,OUTPUT);

pinMode(5,OUTPUT);

pinMode(6,OUTPUT);

pinMode(7,OUTPUT);

pinMode(8,OUTPUT);

pinMode(9,OUTPUT);

myservo.attach(13);

myservo.write(0);

Serial.begin(9600);

Serial.println( "ENTER PASSWORD   ");

d= EEPROM.read(0);

d1= EEPROM.read(1);

d2= EEPROM.read(2);

d3= EEPROM.read(3);

d4= EEPROM.read(4);

d5= EEPROM.read(5);

d6= EEPROM.read(6);

d7= EEPROM.read(7);

}

void loop(){

char key = keypad.getKey();

if (key){

c++;

digitalWrite(c+1,HIGH);

Serial.println(key);

//PRINT CHAR

if(c==1)d10=key;

if(c==2)d11=key;

if(c==3)d12=key;

if(c==4)d13=key;

if(c==5)d14=key;

if(c==6)d15=key;

if(c==7)d16=key;

if(c==8)d17=key;

}

if(c==8&np==0){

c=0;

if(d==d10&d1==d11&d2==d12&d3==d13&d4==d14&d5==d15&d6==d16&d7==d17){

if(cp==0){

Serial.println( "PASSWORD ACCEPTED");

delay(200);

alloff();

delay(200);

allon();

delay(200);

alloff();

delay(200);

for (int i = 0; i <= 180; i += 1) {

myservo.write(i);

delay(5);

}

delay(2000);

for (int i = 180; i>= 0; i -= 1) {

myservo.write(i);

delay(5);

}

}

if(cp==1){

Serial.println( "NEW PASSWORD");

alloff();

delay(100);

allon();

delay(1000);

alloff();

delay(1000);

np=1;

}

d10=d11=d12=d13=0,d14=d15=d16=d17=0;

}else   if(d10=='0'&d11=='0'&d12=='0'&d13=='0',d14=='0'&d15=='0'&d16=='0'&d17=='0'){

delay(50);

alloff();

delay(50);

allon();

delay(50);

alloff();

delay(50);

allon();

delay(50);

alloff();

delay(50);

allon();

delay(50);

alloff();

delay(50);

allon();

delay(50);

alloff();

delay(50);

allon();

delay(50);

alloff();

delay(50);

Serial.println( "OLD PASSWORD");

cp=1;

}else{

Serial.println( "WRONG PASSWORD");

if(cp==1){

cpa++;

}

delay(100);

alloff();

delay(100);

allon();

delay(100);

alloff();

delay(100);

allon();

delay(100);

alloff();

delay(100);

allon();

delay(100);

alloff();

delay(100);

d10=d11=d12=d13=0,d14=d15=d16=d17=0;

}

}

if(cpa==3){

np=0;

cp=0;

cpa=0;

c=0;

d10=d11=d12=d13=d14=d15=d16=d17=0;

alloff();

Serial.println( "ENTER PASSWORD   ");

}

if(c==8&np==1){

d=d10;

d1=d11;

d2=d12;

d3=d13;

d4=d14;

d5=d15;

d6=d16;

d7=d17;

EEPROM.write(0, d);

EEPROM.write(1, d1);

EEPROM.write(2, d2);

EEPROM.write(3, d3);

EEPROM.write(4, d4);

EEPROM.write(5, d5);

EEPROM.write(6, d6);

EEPROM.write(7, d7);

np=0;

cp=0;

c=0;

d10=d11=d12=d13=d14=d15=d16=d17=0;

alloff();

Serial.println( "ENTER PASSWORD   ");

}

}

void allon(){

digitalWrite(2,HIGH);

digitalWrite(3,HIGH);

digitalWrite(4,HIGH);

digitalWrite(5,HIGH);

digitalWrite(6,HIGH);

digitalWrite(7,HIGH);

digitalWrite(8,HIGH);

digitalWrite(9,HIGH);

}

void alloff(){

digitalWrite(2,LOW);

digitalWrite(3,LOW);

digitalWrite(4,LOW);

digitalWrite(5,LOW);

digitalWrite(6,LOW);

digitalWrite(7,LOW);

digitalWrite(8,LOW);

digitalWrite(9,LOW);

}