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Door Lock Security System

Using Python2, RFID reader, Raspberypi3 an automated door-lock system is created, which gives you sms-alert when anyone enters into your house using a reader. Every information of the reader is added into a MySQL database. Unauthorized access is denied.

The project is about securing door lock in office/home which is automated through bulk SMS service, RFID tag reading and live camera streaming.

Applications of Door Lock Security System

+	The door lock security system can be used in any building to safeguard and check who is entering or trying to enter in the building.
+	It can be used in personal home, hospitals, institutions, offices etc.

Hardware components required:

+ Raspberry Pi 3 B+
+ RFID module MFRC522
+ RFID tag
+ 12V electronic door lock
+ Door lock driver
+ Power Adapter / Battery
+ Internet
+ Bulk SMS service
+ Breadboard
+ Connecting wires

Circuit diagram explanation:

+ Analog output (A0): Real-time output voltage signal on the thermal resistance.
+ RFID module MFRC-522: The module is used to identify any tag placed on it.
+ RFID tag: The tag stores information, and the information is stored in the access-log. If the information matches with the information stored in the access-list then the lock is opened.
+ 12V door lock: The lock is opened when a 12V passes through it.
+ Door lock driver: The door lock driver makes the door lock compatible with raspberry pi
+ Bulk SMS service: The SMS service is used to send SMS to the admin number to inform about any intrusion
+ Camera: A camera is kept for live streaming

Code for Door Lock Security System:

The code is added in the python script in the repository here.

Important Aspects of the Program:

When we developed the project ,the one important aspect we kept in mind is the real world scenario. An invasion can occur any time (24/7). This means our system must constantly monitor fire 24/7 all the month and year. In the program, we loop with while 1, and escape the loop if keyboard interrupt occurs function has the necessary conditions to check fire.