Home security is a very useful application of IoT and we are using it to create an
inexpensive security system for homes as well as industrial use. The system will inform
the owner about any unauthorized entry or whenever the door is opened by sending a
notification to the user. After the user gets the notification, he can take the necessary
actions. The security system will use a microcontroller known as NodeMCU to interface
between the components, a magnetic Reed sensor to monitor the status, a buzzer for
sounding the alarm, and a Wi-Fi module, ESP8266 to connect and communicate using
the Internet. The main advantages of such a system includes the ease of setting up,
lower costs and low maintenance.
Wireless Home security and Home automation are the dual aspects of this project. The
currently built prototype of the system sends alerts to the owners using the Internet if
any sort of human movement is sensed near the entrance of his house and raises an
alarm optionally upon the user's discretion. The provision for sending alert messages to
concerned security personnel in case of critical situations is also built into the system.
On the other hand if the owner identifies that the person entering his house is not an
intruder but an unexpected guest of his then instead of triggering the security alarm, the
user/owner can make arrangements such as opening the door, switching on various
appliances inside the house, which are also connected and controlled by
the micro-controller in the system to welcome his guest. The Same can be done when
the user himself enters the room and by virtue of the system he can make
arrangements from his doorstep such that as soon as he enters his house he can make
himself at full comfort without manually having to switch on the electrical appliances or
his favorite T.V. channel for example. Thus using the same set of sensors the dual
problem of home security and home automation can be solved on a complimentary
basis. The alerts and the status of the IoT system can be accessed by the user from
anywhere even where Internet connectivity may not be readily available (since it is not
necessary for the mobile phone to be connected to internet only board is required to
have an access to Wi-Fi).
In this project, we are using a Motion sensor which is called PIR sensor, Temperature
and Humidity sensor which is called DHT11 sensor, Flame sensor, Ultrasonic sensor,
Gas Sensor, Buzzer, and relay for controlling AC appliances such as Fan, Light, Air
conditioner and Machines.
Applications and Advantages
1. Crime Deterrence :- Having a home alarm system is one of the best deterrents
available to prevent burglaries and home invasions. Unfortunately break-ins are
on the rise in our community. Joblessness, drug and alcohol addictions, and
gang activity all fuel residential break-ins. Law enforcement advises installing a
home alarm to help deter burglary attempts.
2. Family Protection :- The most common reason why a person has an alarm
system installed in their home is for protection of their family. It provides peace of
mind knowing that your family and home is protected. An alarm system will help
you evade home invasions!
3. Manage and monitor security :- IoT provides smart home security by
combining AI to enhance the performance of devices such as CCTV cameras,
smart lights, doorbells, and fire sensors. Everyday use cases of IoT smart
security solutions include data loss prevention, secure connections, and device
authentication and management.
4. Visitor identification :- Smart IoT devices enabled by video allow you to
communicate with visitors. You can see the visitors from your smartphone and
talk to them without unlocking your door, even when you are away. It ensures
complete security and convenience.
5. Alert and attempt :- Remote monitoring keeps you informed about every minute
detail of your house in real-time and raises the alarm if the IoT-connected
devices detect any unusual activity.
6. Fire Protection :- A fire can be devastating to not only a home, but also to a
family. If a fire breaks out in your home, the security system will notify the
monitoring station. Once the monitoring station is alerted, they will then notify the
proper authorities. Early detection can help reduce the damage to the home.
More importantly it gets help to family members or pets who may be in the house
and unaware or unable to call for help.
7. This low cost system with minimum requirements takes care of both home
security as well as home automation.
8. This home security system does not use any smart-phone application or any type
of user interface instead uses digits from the keypad on the phone, the system is
platform independent and hence can be accessed from a wide range of phones
with different operating systems.
9. To operate a home security system the user need not have data connection
enabled in his phone. The system runs fine with the launchpad connected to Wi-Fi
at home/office.
10.The optional smart phone application takes care of the fact that the user may
also wish to control his home appliances without sensors being triggered.
WHY DO I NEED A HOME SECURITY SYSTEM?
Proactive not Reactive – A home security system should be installed as a standard
appliance in a home. Unfortunately many people don’t install one until they have been
victimized. Returning home from a night out or a vacation and encountering an intruder
in your home can be a frightening experience.
Minimize losses – If your home is broken into, your monitored alarm will summon help
which will limit the time a burglar has available and the damage that can be caused and
the valuables taken. Many times the alarm going off causes the criminal to flee the
scene quickly without even entering.
Save
Money – Insurance companies offer discounts to policy owners who install
security systems. FBI studies have shown that a home equipped with a professionally
monitored security system is 15 times less likely to be burglarized.
No Phone Line Needed – Cell phones have resulted in a number of homes where
there is no longer a basic landline or home telephone. Technology has introduced a
more secure form of monitoring through a wireless signaling device. We call ours the
Gillnet. It allows a home security system to be monitored without a home phone line.
Warning – A home security system also offers helpful warnings. If you have left a door
or window open you will not be able to arm your system when you leave the house. This
prevents human error from leaving your home vulnerable. Doors and windows also
chime when they are opened which alerts you that someone is coming into or leaving
the house
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