Smart Furniture Using Linkit Mediatek 7688 Duo

#include <SPI.h> //RFID
#include <RFID.h> //RFID Library 
#include <Servo.h> // Servo motor

RFID rfid(9,5); //Connect SDA (RFID MFRC522) to pin 9 of Linkit Media tek Smart Duo and RST Pin to Pin 5

byte userA[5] = {0xF5,0x85,0xD3,0x65,0xC6}; // user C//F5 85 D3 65 C6 //(Security Tag code can be obtained from file >examples > MFRC522> Dumpinfo examples

byte data[5];  //Defining value in data

int servoPin = 6; //analog or orange wire of servo to pin 6 of mediatek smart duo

Servo doorLock; //Use of servo to lock door

 int motorpin1 = 3; // Table Height Adjustment using DC motor and L293D Motor control
 int motorpin2 = 5; // Define Input pin 1 & 2 From motor control to pin 3 & 5
 
//int enablePin = 4; If you want to control on and off of motor 

char d;  // Defining d for motor control using serial monitor or Serial Communication

//int redPin = 11;
//int greenPin = 10;
//int bluePin = 9;

void setup()
{ 
  pinMode(enablePin, OUTPUT);
    // sets enablePin high so that motor can turn on:
  digitalWrite(enablePin, HIGH);
  doorLock.attach(servoPin); // defining door lock to servo pin
  
  Serial.begin(9600);

  SPI.begin(); 
  
  rfid.init(); // Initialzing RFID
  
  pinMode(servoPin,OUTPUT); //Defining servo pin as output
  pinMode(motorpin1,OUTPUT); // Motor pin 1 as output
  pinMode(motorpin2,OUTPUT); // Motor Pin 2 as output
  //pinMode(redPin,OUTPUT);
 // pinMode(greenPin,OUTPUT);
  //pinMode(bluePin,OUTPUT);
}

void loop()
{ 
  
    boolean userA_card = true;  //  Defining ID card As user name you can also add your name
   
    if (rfid.isCard()) { // valid card found
    
    if (rfid.readCardSerial()){ // reads the card
    
      delay(1000);
      
      data[0] = rfid.serNum[0]; // stores the serial number
      data[1] = rfid.serNum[1];
      data[2] = rfid.serNum[2];
      data[3] = rfid.serNum[3];
      data[4] = rfid.serNum[4];
    }
    
      rfid.halt();
      for(int i=0; i<5; i++){
    
      if(data[i] != userA[i]) userA_card = false; 

  }
  
  Serial.println();
 
    if (userA_card){
  
    Serial.println("User A Access granted");
    doorLock.write(0); 
    delay(3000); // wait 5 senconds
    doorLock.write(90);
 }
 
    else {
    Serial.println("Unknown User");  //Wrong person trying to access drawer can add a buzzer for better alerts 
    delay(1000);}
}

    if(Serial.available()>0);

 {
    d=Serial.read(); //Reading values from serial communication for table Height adjustment
    
    if(d=='m') // write m to move table height
 
 {
    digitalWrite(motorpin1,HIGH);
    digitalWrite(motorpin2,LOW);
    Serial.print("motor rotates");
    delay(5000);
    digitalWrite(motorpin1,LOW);
 }
 }
 }