//project written by Subhadip Biswas
//More information & support my channel www.youtube.com/techzero
//download liquidcrystal laibary
//download keypad laibary
//I dont use display but you can use,i also written code for display
//Give a schematic in my website https://techzeroyoutube.blogspot.com
//I am use home made keypad.do you find how to make it gotoA my youtube channel www.youtube.com/techzero
#define OLED; //Define Which Display Use in Your Project LCD/OLED
#include <Keypad.h>
//#include <Servo.h>
#include <Wire.h>
#ifdef LCD
#include <LiquidCrystal_I2C.h>
#elif defined(OLED)
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#endif
#include <Wire.h>
#ifdef LCD
//Servo myservo;
int pos = 0; // variable to store the servo position
LiquidCrystal_I2C lcd(0x27, 16, 2);
#include <LiquidCrystal_I2C.h>
#elif defined(OLED)
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library.
// On an arduino UNO: A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO: 2(SDA), 3(SCL), ...
// On an arduino NodeMcu: D2(SDA), D1(SCL), ...
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#endif
#define Password_Length 5 // Give enough room for 4 chars + NULL char
int Pass_Lenght = Password_Length - 1;
char Data[Password_Length]; // 4 is the number of chars it can hold + the null char = 5
char Master[Password_Length];
byte data_count = 0;
bool Pass_is_good;
char customKey;
const char* valid_passwords[] = {"1234", "1478", "1548","1801"}; // List of valid passwords
const int num_passwords = sizeof(valid_passwords) / sizeof(valid_passwords[0]);
int redPin = A2; //pin to red led
int greenPin = A3; //pin to green led
int sw1 = 9; // pin to inside switch
int lock = 10; // For Lock/Servo
int IN1 = A0; // DOOR MOTOR OPEN ROTATION
int IN2 = A1; // DOOR MOTOR CLOSE ROTATION
int openend = 12; // DOOR OPEN LIMITE SWITCH
int closeend = 13; // DOOR CLOSE LIMITE SWITCH & DOOR OPENING SIGNAL
int pir = 11; // FOR DOOR CLOSEING SEQURITY
int EMS = 0; //Sudden Stop
int PIRLED = 1; //Emergancy Idicuter
int flag = 0; //variable
int doorpos = 0; //variable
int sig = 0; //variable
int m = 0; //variable
int key_pad = 0; //variable
int rfid_key = 0; //variable
int store = 0; //variable
int wrong = 0; //variable
int security = 0; //control duale security system 1 means active 0 means deactive
int pirdetc = 0;
unsigned long previousMillis = 0;
const unsigned long interval = 20000; // 20 seconds
const byte ROWS = 4;
const byte COLS = 3;
char keys[ROWS][COLS] = {
{'1', '2', '3'},
{'4', '5', '6'},
{'7', '8', '9'},
{'*', '0', '#'}
};
bool door = true;
byte rowPins[ROWS] = {2, 3, 4, 5}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {6, 7, 8}; //connect to the column pinouts of the keypad
Keypad customKeypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS); //initialize an instance of class NewKeypad
#include "Led_status.h"
#include "Display.h"
void setup()
{
dis_setup();
wlecome_status();
// #ifdef LCD
// lcd.clear();
// lcd.setCursor(0, 0);
// lcd.print("CONNECTING To");
// lcd.setCursor(8, 1);
// lcd.print("WiFi....");
// #elif defined(OLED)
// display.clearDisplay();
// display.setCursor(5, 10);
// display.println("CONNECTING");
// display.setCursor(5, 30);
// display.println("To WiFi...");
// display.display();
// #endif
digitalWrite(lock, HIGH);
delay(3000);
pinMode(lock, OUTPUT);
pinMode(redPin, OUTPUT);
pinMode(greenPin, OUTPUT);
pinMode(sw1, INPUT_PULLUP);
pinMode(IN1, OUTPUT);
pinMode(IN2, OUTPUT);
pinMode(openend, INPUT_PULLUP);
pinMode(closeend, INPUT_PULLUP);
pinMode(pir, INPUT_PULLUP);
pinMode (EMS, INPUT_PULLUP);
pinMode(PIRLED, OUTPUT);
ServoClose();
dis_home() ;
// previousMillis = millis(); // Reset the timer
}
bool checkPassword() {
for (int i = 0; i < num_passwords; i++) {
if (strcmp(Data, valid_passwords[i]) == 0) {
return true;
}
}
return false;
}
void clearData()
{
while (data_count != 0)
{ // This can be used for any array size,
Data[data_count--] = 0; //clear array for new data
}
return;
}
void ServoOpen()
{
digitalWrite(lock, HIGH); // tell servo to go to position in variable 'pos'
delay(15); // waits 15ms for the servo to reach the position
success_status();
}
void ServoClose()
{
digitalWrite(lock, LOW); // tell servo to go to position in variable 'pos'
delay(20); // waits 20ms for the servo to reach the position
success_timeout();
}
void Open()
{
customKey = customKeypad.getKey();
if (customKey) { // makes sure a key is actually pressed, equal to (customKey != NO_KEY)
previousMillis = millis(); // Reset the timeout timer
Data[data_count] = customKey;
dis_keypad(data_count);
data_count++; // increment data array by 1 to store new char, also keep track of the number of chars entered
}
if (data_count == Password_Length - 1) { // if the array index is equal to the number of expected chars, compare data to master
if (checkPassword()) {
dis_sucess();
} else {
dis_wrong();
}
clearData();
}
}
void Timeout() {
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= interval) {
sleep_on_status();
clearData();
pirdetc = 0;
if ((security == 1) && (m == 1)) {
delay(2000);
// resetFunc();
security = 0;
store = 0;
m = 0;
}
if ((security == 1) && (key_pad == 1)) {
key_pad = 0;
}
if ((security == 1) && (rfid_key == 1)) {
rfid_key = 0;
}
#ifdef LCD
lcd.clear();
lcd.noBacklight();
lcd.off();
#elif defined(OLED)
display.clearDisplay();
display.display();
#endif
// pirdetc = 0;
}
else {
sleep_off_status();
}
}
void DoorProg()
{
DOOR_CLOSE:
if ((digitalRead(openend) == LOW) && (flag == 1))
{
flag = 2;
Stop();
dis_close_count();
DClose();
sig = 1;
}
EMERGENCEY:
if ((digitalRead(pir) == HIGH) && (flag == 2) && (pirdetc == 1))
{
flag = 1;
Stop();
dis_error();
error_timeout();
delay(1000);
DOpen();
}
DOOR_CLOSEEND:
if ((digitalRead(closeend) == LOW) && (flag == 2))
{
Stop();
dis_closed();
ServoClose();
door = 1;
sig = 0;
flag = 0;
delay(1000);
dis_home();
}
}
void DOpen() {
//digitalWrite(ENA, HIGH);
digitalWrite(IN1, HIGH);
digitalWrite(IN2, LOW);
}
void DClose() {
//digitalWrite(ENA, HIGH);
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
}
void Stop() {
digitalWrite(IN1, LOW);
digitalWrite(IN2, LOW);
}
void DEMSTOP()
{
if (flag == 1) {
if ((digitalRead(EMS) == LOW)) {
Stop();
doorpos = 1;
// flag = 2;
delay(2000);
digitalWrite(lock, LOW);
pause_status();
EMS_OP();
// lcd.clear();
}
if ((digitalRead(EMS) == HIGH)) {
// flag = 2;
DOpen();
sig = 0;
digitalWrite(lock, HIGH);
resume_status();
doorpos = 1;
EMS_OR();
// lcd.clear();
}
previousMillis = millis(); // Reset the timer
}
if (flag == 2) {
if ((digitalRead(EMS) == LOW)) {
Stop();
doorpos = 1;
flag = 2;
delay(2000);
digitalWrite(lock, LOW);
pause_status();
EMS_CP();
// lcd.clear();
}
if ((digitalRead(EMS) == HIGH)) {
// flag = 2;
DClose();
sig = 0;
digitalWrite(lock, HIGH);
resume_status();
doorpos = 1;
EMS_CR();
// lcd.clear();
}
previousMillis = millis(); // Reset the timer
}
}
void InputSig() {
#ifdef LCD
lcd.backlight();
lcd.on();
#elif defined(OLED)
#endif
if ((security == 1) && (key_pad == 1)) {
ServoOpen();
dis_sucess();
previousMillis = millis(); // Reset the timer
door = 0;
DOpen();
flag = 1;
doorpos = 0;
// security = 0;
key_pad = 0;
clearData();
}
else if ((security == 1) && (key_pad == 0)) {
#ifdef LCD
lcd.clear();
lcd.setCursor(2, 0);
lcd.print("- WELCOME -");
lcd.setCursor(1, 1);
lcd.print("ACCESS GRANTED");
delay(1500);
lcd.clear();
lcd.setCursor(0, 0);
lcd.println("ACTIVE SECURITY+");
lcd.setCursor(0, 1);
lcd.println("- GIVE NEXT ID -");
#elif defined(OLED)
display.clearDisplay();
display.setCursor(10, 5);
display.println("-WELCOME-");
display.setCursor(30, 25);
display.println("Access");
display.setCursor(20, 45);
display.println("Granted");
display.display();
delay(1500);
display.clearDisplay();
display.setCursor(32, 0);
display.println("-GIVE-");
display.setCursor(45, 25);
display.println("NEXT");
display.setCursor(52, 50);
display.println("ID");
display.display();
#endif
previousMillis = millis(); // Reset the timer
rfid_key = 1;
clearData();
}
else {
dis_inside() ;
delay(100);
previousMillis = millis(); // Reset the timer
ServoOpen();
delay(2000);
DOpen();
flag = 1;
door = 0;
doorpos = 0;
}
}
void loop() {
if ((digitalRead(pir) == HIGH) && (flag == 0) && (pirdetc == 0)) {
previousMillis = millis(); // Reset the timer
dis_home();
pirdetc = 1;
}
DEMSTOP();
Open();
DoorProg();
Timeout();
if ((digitalRead(sw1) == LOW) && (sig == 0) && (flag == 0))
{ InputSig();
sig = 1;
}
}
/////////// PROJECT WRITTEN BY SUBHADIP BISWAS //////////
////////// THANK YOU ///////////Loading
ssd1306
ssd1306