Added Project into its particular folder

Author: Shelltroecnec

_Project_RFID and Bluetooth based Door Security System/Project_11_RFID_Bluetooth_based_door_security_system.ino

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+//*LCD INITIALIZATION*//
+#include <LiquidCrystal.h>
+const int rs=47,rw=46, en=45, d0=44, d1=43, d2=42, d3=41, d4 = 40, d5 = 39, d6 = 38, d7 = 37;
+LiquidCrystal lcd(rs, rw,en,d0,d1,d2,d3, d4, d5, d6, d7);
+
+int j=0;
+int i=0;
+int buzzer=31;
+int LED1=22;
+int LED2=23;
+//*BLUETOOTH INITIALIZATION*//
+char c[4];
+int count1=0;
+char a[4]={'0','7','0','1'};
+//*RFID INITIALIZATION*//
+char input[12]={'5','4','0','0','6','A','E','C','7','4','A','6'};
+char b[12];
+int count=0;
+
+//*MOTOR INITIALIZATION*//
+int Motor1=33;
+int Motor2=34;
+
+void setup() {
+ lcd.begin(16,2); //SELECTING LCD COLUMNS & ROWS
+ Serial.begin(9600); //INITALIZING SERIAL COMMUNICATION
+ Serial2.begin(9600); //INITALIZING BLUETOOTH SERIAL COMMUNICATION
+ Serial3.begin(9600); //INITALIZING RFID SERIAL COMMUNICATION
+ pinMode(Motor1,OUTPUT); //DIFINING MOTOR1 AS OUTPUT DEVICE
+ pinMode(Motor2,OUTPUT); //DIFINING MOTOR2 AS OUTPUT DEVICE
+  pinMode(LED1,OUTPUT); //DIFINING LED1 AS OUTPUT DEVICE
+  pinMode(LED2,OUTPUT); //DIFINING LED21 AS OUTPUT DEVICE
+  pinMode(buzzer,OUTPUT); //DIFINING BUZZER AS OUTPUT DEVICE
+  digitalWrite(LED1,HIGH); //INITIALIZING LED1 OFF
+  digitalWrite(LED2,HIGH); //INITIALIZING LED2 OFF
+  digitalWrite(Motor1,LOW); //INITIALIZING MOTOR1 OFF
+  digitalWrite(Motor2,LOW); //INITIALIZING MOTOR2 OFF
+  while(i!=3){              //MAKING MSG BLINK FOR 3 TIMES
+  lcd.noDisplay(); 
+delay(500);
+lcd.display();
+  lcd.print("! RFID BANK ! ");
+  lcd.setCursor(0,1);
+  lcd.print("SCAN YOUR CARD ");
+  delay(500);
+  i++;
+}}
+
+void loop() {
+   if (Serial3.available()){  //IF RFID TAG IS AVAILABLE TO SCAN  
+  b[count]=Serial3.read();    //SCAN THE TAG AND STORE THE VALUE IN ARRAY 'b'
+  count++;
+  }
+  if(count==12)       //IF SCANNED ARRAY VALUE IS OF 12 DIGITS ENTER IN THE LOOP
+  {
+  if(strncmp(b,input,12)==0)  //COMPARING STRING BETWWEN STORED AND SCANNED VALUE 
+  {
+   lcd.clear();   //MAKING LCD CLEAR FOR PRINTING
+  lcd.write("Access Granted"); //LCD OUTPUT
+  delay(500);
+  digitalWrite(LED1,LOW);   //LED1 ON
+  digitalWrite(buzzer,HIGH);  //BUZZER ON
+  delay(500);
+  digitalWrite(LED1,HIGH);  //LED1 OFF
+  digitalWrite(buzzer,LOW); //BUZZER OFF
+  
+  Serial2.println("PLEASE ENTER PASSCODE THROUGH MOBILE");  //PRINTING OUTPUT ON BLUETOOTH TERMINAL THROUGH BLUETOOTH 
+  lcd.clear();
+  lcd.write("ENTER PASSWORD");
+  while(count1!=4){
+  if (Serial2.available()){
+  c[count1]=Serial2.read(); //READ THE VALUE THROUGH BLUETOOTH AND STORE IN STRING 'c'
+  Serial.println(c[count1]);
+  count1++;
+
+  }}
+  if(count1==4)
+  { //IF THE EBTERD PASSWORD IS EQAUL TO 4, THEN ENTER
+  if (strncmp(c,a,4)==0) //COMPARING STRING BETWWEN STORED AND SCANNED VALUE
+  { lcd.clear();
+    lcd.write("WELCOME SIR"); //LCD FINAL OUTPUT
+    Serial2.println("WELCOME SIR"); //BLUETOOTH PRINT ON TERMINAL
+    digitalWrite(Motor1,HIGH); //MOTOR1 ON
+    delay(1000);
+    digitalWrite(Motor1,LOW); //MOTOR1 ON
+    digitalWrite(Motor2,HIGH); //MOTOR2 ON
+    delay(1000);
+    digitalWrite(Motor2,LOW); //MOTOR2 OFF
+    digitalWrite(LED2,LOW); //LED2 ON
+    delay(500);
+    digitalWrite(LED2,HIGH);  //LED2 OFF
+    count1=0; //RESETTING THE COUNT1=0 FOR PASSWORD ENTERING
+  }
+  else{lcd.clear();
+  lcd.write("WRONG PASSWORD");  //IF ENTERED PASSWORD IN INCORRECT, PRINT ON LCD 
+  Serial2.println("WRONG PASSWORD");  //IF ENTERED PASSWORD IN INCORRECT, PRINT ON BLUETOOTH TERMINAL
+  count1=0;}
+  }
+  count=0;} //RESETTING THE COUNT=0 FOR THE NEXT SCAN & STORE
+  else
+  {lcd.clear();
+  lcd.write("Access Denied"); //IF TAG READ VALUE IS MISMATCH, PRINT THIS ON LCD
+count=0;}}}
+