View difference between Paste ID: xc5Jsn62 and 9buBWh8p

 
 const int button = 4;         // connected to trigger button
 const int doorSensor = 5;     // connected to door sensor switch (HIGH is closed, LOW is open)
 const int doorLock =  6;      // connected to door lock relay trigger input (HIGH is unlocked, LOW is locked)
 
 int buttonState = 0;          // variable for reading the pushbutton status
 int doorState = 0;            // variable for reading the door status (open/closed)
 
 void setup(){
   pinMode (doorSensor, INPUT);     // set pin to input
   pinMode (button, INPUT);         // set pin to input
   pinMode (doorLock, OUTPUT);      // set pin to output
 }
 
 void loop(){
   doorState = digitalRead(doorSensor);    // read state of door sensor
   buttonState = digitalRead(button);      // read state of button
 
   if (buttonState == HIGH) {              // if button is pressed
     unlockDoor();                         // perform unlock function
   }else{                                  // if button is not pressed
     digitalWrite(doorLock, LOW);          // keep door locked
   }
 }
 
 void unlockDoor(){
   digitalWrite(doorLock,HIGH);                // unlock door
   delay(2000);                                // wait 2 seconds
 
   if (doorState == LOW){                      // if door is open after 2 second delay
 
     do {
        doorState = digitalRead(doorSensor);   // Re-check sensor
        digitalWrite(doorLock,HIGH);           // keep door unlocked
     }while (doorState == LOW);                // while door is open
 
                                               // when doorState == HIGH
     delay(500);                               // wait 1/2 second
     digitalWrite(doorLock, LOW);              // lock door
 
   }else if (doorState == HIGH){               // if door is closed after 2 second delay
     digitalWrite(doorLock,LOW);               // lock door
   }
 }