Smart Locking System for Enhanced Home Security Project

This project explores the design and implementation of a smart locking system for homes, leveraging IoT and mobile communication technologies to enhance security and convenience. The system aims to eliminate the need for traditional keys, offering remote access control, user authentication, and integration with other smart home devices. The project encompasses the development of a Raspberry Pi-based controller, a cloud backend, and a mobile application for user interaction. Key features include remote locking/unlocking, image transfer for security verification, and an alarm system to detect unauthorized access attempts. The research also includes a comparative analysis of existing smart lock technologies, such as Schlage products, highlighting their features, advantages, and limitations. The project follows the Software Development Life Cycle, with iterative development and testing to ensure functionality and security. The ultimate goal is to provide a secure, user-friendly, and easily manageable home security solution.

Smart Locking System for Homes
Introduction:
House keys stand among the most commonly misplaced items in big cities nowadays, security is a
top priority. So it is more convenient, that you in have to keep track of yet another key or worry
about how to pass off the key to someone else. It ensures convenient authentication and unlocks, so
you in have to worry about lost or forgotten keys. Those user-friendly innovations, as the new life-
changing smart locks and keys, allow us to catch up with technology and ease our daily life. For
instance, to place at the forefront of smart options, smart keyless locks are programmed to allow
certain people to have access to the entity.Virtual keys give you a valuable security option to lock
and unlock your doors easily, furthermore, you can load various options such as turning on lights
when the door opens and etc. that key can interact via a free app on your Android or Apple device. A
single smartphone application is able to control your locks and other smart home devices
simultaneously.The integration of your smart locks into your security system can increase
connectivity among all of your devices. They allow you to lock and unlock doors remotely. A fully
integrated home automation system notifies you of doubtful events and enables you to continually
monitor your home. Smart locks offer advantages to homeowners who are searching for to better
guard and easily handle their homeplace.
Advantages of Traditional Door Lock: Cheap price, simple installation and disadvantages
Made of ordinary metal, it is easy to break the lock or break in Or incidents for users such as lost
keys, forgotten keys Lock, After a period of use the lock will rust, so it is very common to have
problems every time it opens and closes and Always have to carry the key with you, causing irritation
and annoyance. Before coming to Smart Lock, many people say that. They have used traditional
mechanical locks for decades and still find it to do well in their protective duties. They do not need
an electronic device such as a fingerprint lock ... In fact, traditional mechanical locks always reveal
their disadvantages: Metal keys always have to be carried with you, whether you go to work, eat or
you go. work, travel ... extremely inconvenient. Metal keys can easily be "copied" in very simple
ways ... Thieves take advantage of this weakness. To infiltrate your family easily. In case you lose
your key? You will have to replace all the locks and keys at a costly price to ensure the safety of your
home. With the impact of the environment such as humidity, temperature ... and the mechanical
lock is prone to rust, making it difficult to open the door.And with a luxury apartment, the
mechanical lock is difficult to achieve the aesthetic factor.
In this research , the proposed solution uses IoT technology and the application of mobile
communication technology to a traditional system (door lock) to remotely open or close a door
through authentication. In particular, this research proposes a security improvement strategy
focused on the Smart Lock System for the security problem caused by the physical key used in
unmanned automation devices, such as ATMs, KIOSKs, and vending machines.
Objectives:
1. What is the topic of research?
The following are the key characteristics of the proposed method. Second, it has detection and
alarm functions for effects. This is to locate an intruder who is attempting to invade the lock by
applying physical force. Second, it has a feature for image transfer. An attacker who does not know
the password will usually make a number of attempts. Therefore, if an attacker mistypes the
password more than a specified number of times, Advanced Science and Technology Letters obtains

photographs of the intruder and transfers them to the mobile device. Thirdly, the user is able to
query the typed password records and all incoming and outgoing records contained in the database.
Fourth, after recognizing the picture of a visitor, the machine will unlock the door lock in real-time. If
the password is forgotten by a visitor, he will input a code into the door lock; the door lock system
then transmits his picture to the owner of the mobile device. After reviewing the photo, the user can
remotely control the door lock.Fifth, if the controller is holding the mobile device, it will sense a
legitimate user entering the digital door lock, and it will automatically open or close the door lock.
2. Output Products:
The goal of this project was to provide an easy and convenient method for unlocking a front
door by removing the need for the old-fashioned key. We start by evaluating the need for such a
system by sending a survey and analyzing the results. We follow the Software Development Life
Cycle to set the project objectives and implement the design. The project has three main
components: a Raspberry Pi, a cloud backend, and a mobile application. The Raspberry Pi is attached
to the door and is responsible for controlling a servo motor, a camera, and an actuator. Users can
open the door by either tapping a button on the mobile app, or just by approaching the door. When
a user is within a certain radius, a PIR sensor detects them, and activates the camera. The Raspberry
Pi then sends an image of the user at the door to the backend server.
3. Implementation and test plan:
The phase of development and implementation is conducted with an iterative strategy to
construct the prototype that would match the specifications of the design. By breaking down the
design into small chunks, we are able to develop and test in repeated sequences. In each iteration,
new features can be developed and tested until we have a fully functional system that fulfills the
purpose of the thesis.
An elaborate test plan that encapsulates all the functionality of the prototype will be written. The
test plan is used to verify that the prototype lives up to the expectation and the overall quality
requested by the stakeholders. The goal is to continuously update and develop the test plan parallel
to the implementation of the design. This will lead to an iterative working environment where
implementation continuously will be tested against the testbench. The ideal goal is that the
prototype will have an evaluated test for every state of the running implementation. We aim to
restrict the tests to three main categories: Software Tests, Hardware tests and "Conclusive-End"
tests where the final prototype, combined with both hardware and software, will be tested. The
results of the tests will strictly focus on functionality but more importantly security. This will
influence the way we write tests and the test plan itself. Results of the hardware and software tests
will mostly be used to collect data for further development while the end tests will be neatly
analyzed for future research and conclusions.
4. Security:
Smart lock is designed with very high security features. They have the ability to sound an alarm if the
door is opened physically (smash, break) or open too many times (open pass). In addition, you will
not worry if someone finds it or "photo" your house keys. To ensure safety, users can choose dual
authentication methods such as fingerprint + password; flashcard + password; fingerprint + magnetic
card to ensure safety in case someone picks up the card or knows the opening code.
 Related Work:

Introduction:
Smart lock technology adds convenience, but it's important to remember that this option is first and
foremost a security device. It's important to take security features seriously. Use a PIN code for any
voice control unlock, and make sure you only give access codes to unlock the door to people you
trust. Enabling the auto relock feature is also a good idea, so the door will lock behind you if you
forget.
No matter which smart lock you choose, adding one to your smart home offers a lot of advantages.
With these tips and the best smart lock on your door, managing access for family members,
roommates, service providers and guests is a breeze.
Having a smart lock on your door could change your life, particularly if you're the kind of person who
never knows where your keys are hiding. Paired with a mobile app, the best smart locks allow you to
remotely lock, unlock and monitor your front door.
You can unlock it for a service provider or a friend with the tap of a button or with a voice command,
and have peace of mind knowing you won't be locked out if you lose your keys. A smart lock offers
convenience, security, automation and peace of mind.
Characteristic
Lock Type
Mode of Entry Grading Advanced Sercurity Home Automation
Smart Lock Enter access code or
open with the
application
Grade 2 100% shockproof
and anti-cocoon
keyless design and
warning technology
detects door attacks.
Lock orUnlock toanywhere.
Connected to Smart Home.
Opening the temperature and
turning on the light.
security camera
Schlage Touch (Keyless
touchscreen deadbolt
or level)
Enter access code Grade 2 Keyless design is
100% bump-proof
and pick- proof
Schlage Connect
(touchscreen deadbolt
with alarm)
Give access remotely
or enter acces
Grade 1 Built in alarm
technology senses
potential door attacks
Lock or unlock from anywhere
Schlage Sense (Smart
Deadbolt)
Use Siri voice control
or enter your access
code
Grade 1 Built in alarm
technology senses
potential door attacks
Works with the Schlage Sense
app and with Apple Homekit.
Table 1. Comparative study highlighting the challenges in real-world setting datasets
Table 1 shows the comparison of the publicly available real-world activity datasets based on the
above indicators.
About Schlage:
Schlage is the leading ‘smart’ door hardware manufacturer in the US, in terms of residential and
commercial marketshare. Schlage has multiple product lines for smart-home owners, with the two
leading technologies being Schlage Connect and Schlage Touch.
Schlage is owned by Allegion Pioneer Safety, a publicly-traded security products company with 31
brands in their portfolio – with Schlage being the consumer-focused, design-conscious product line.
 Smart Lock:

Smart Lock is one of the largest dataset .The smart lock that has most of the locks in Schlage's side
includes: Enter access code or open with the application and 100% shockproof and anti-cocoon
keyless design and warning technology detects door attacks. At the same time, there are features
that the predecessor smart locks have not been able to do: Lock or Unlock to any where. Connected
to Smart Home, Opening the temperature and turning on the light and security camera. Hence,
current datasets address only partially the challenges of realworld scenarios. This motivates us to
propose Smartlock: a dataset recorded in a semi-controlled environment and real-world settings.
Here we summarize the key characteristics of Smartlock: (1) The dataset was recorded in a real
apartment using fingerprint and phone app monitoring 3 scenes:living room , bedrooms and
hallways(2) Objects are captured during the unlocking process without the need for any activation
tools (3) Activity duration ranges from a couple of seconds to a few minutes. (4) As the camera
positions were fixed, the camerato-subject distance varies considerably between videos. (5)
Integrated with smarthome allows users to unlock when unlocked to activate indoor devices
including lights and heaters
 Schlage Sense (Smart Deadbolt):
The locks offered under Schlage Sense are the only locks that work natively with Siri and Apple
HomeKit — but Schlage Sense is NOT natively SmartThings compatible. These products contain
bluetooth communicator chips, and cannot integrate into Z-Wave or Zigbee networks. Schlage
Sense locks are Bluetooth smart lock designed for Apple HomeKit ecosystems.
- Built-in audible alarm
- Does not use Z-Wave or Zigbee network
- Use Siri to unlock or lock
- 100+ user codes
- Physical key hole for backup/emergencies
- Backlit display
 Schlage Connect (touchscreen deadbolt with alarm):
This line of Schlage products contain Z-Wave network communicators, enabling use in home
automation systems, including native compatibility with SmartThings. All locks and keypads,
under the name Schlage Connect, can connect natively to SmartThings.
- Built-in audible alarm
- Z-Wave network
- 100+ user codes
- Physical key hole for backup/emergencies
- Backlit display
 Schlage Touch (Keyless touchscreen deadbolt or level):
This line of Schlage locks is entry-level hardware, not intended for home automation or remote
access. Schlage Touch is NOT recommended for smart homes, or SmartThings.
- Keyless – this means there is no option to use a physical door key
- No home automation support
- No backlit display
- No built-in audible alarm
- Fewer customization features (that are available on Connect and Sense)
Analysis:

We have analyzed our securities for many homes or offices. First of all, these systems are so costly
and most of them are single security system. So, we have developed a two-step door lock system
which is cost efficient and reliable . So, by combining these two-security systems we can achieve
greater and reliable but cost-efficient security system.
Design:
1. Microcontroller Board – to serve as the main control hardware of the project.
2. A servo motor attached to a lock bar will be the door lock which will act according to the
microcontroller’s signal
3. Designing of algorithms for interfacing the motors with the microcontroller.
4. Connecting the microcontroller to the internet so that signals can be sent to the microcontroller
online.
5. Designing a mobile app which can authorize the lock using password and sends a signal to
themicrocontroller to lock/unlock the door.
6. Enabling Bluetooth module on the microcontroller to pair up with any smartphone for short
distancesignaling.
7. Pairing Calling bell and Alarm with the microcontroller.
8. Setting up profile database over the cloud.
9. Final Testing
Required resources:
Equipment, Programmer, Phone, Document, Planner, Support Tool, Microcontroller Board.
CONCLUSION:
In this paper, a smart door lock with advanced security features and is designed to work on the
Internet ofThings. The designed smart door lock senses the impact of an invalid visitor and alerts the
user giving notification onhis/her mobile. It can be used in every household or in office to minimize
the human efforts and can save a lot oftime. It nullifies the risk of keys getting lost or stolen. As the
system is online, a person can lock/unlock doors fromanywhere around the world at his own
convenience. The logs created, can viewed by any of the registered users sothat they can check at
what time did the person unlocked/locked the door.
1. It can be used in every household or in office to minimize the human efforts and can save a lot of
time.
2. It nullifies the risk of keys getting lost or stolen.
3. As the system is online, a person can lock/unlock doors from anywhere around the world at his
ownconvenience.
References:

D. Seo, H. K. (2015). Design and Implementation of Digital Door Lock by IoT. KIISE Transactions on
Computing Practices.
Kinglock. (n.d.). Retrieved from http://kinglock.vn/khoa-dien-tu-schlage/
Ko, Y. (2014). Study of Policies of Major Countries on Internet of Things and Market Forecast.
International Commerce and Information Review.
Moon, T. K. (2012). A Digital Doorlock with Voice Recognition. Proceedings of KIIT Spring Conference.