Home Security System

Home Security SystemFree-shipping Output-guaranteed

Project Cost : 6,400

Dispatched in: 3 Days

Project Code: 1200

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CD

You will get a CD with this project:

CD contains following things:

  1. Project Report in pdf format and in doc (word) format
  2. Circuit diagram
  3. PCB layout
  4. Microcontroller program in assembley language
  5. Hex file of the microcontroller code
  6. Datasheets of all the components / ICs used in the project

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Description:

Home security system project consist of three basic modules. First is IR transmitter and receiver module which works for the safety of doors at night or in case we are out of home. When the IR sensors are interrupted, a buzzer if turned on indicating someone is entered into house. Second module is LPG gas sensor. It is provided to detect the LPG Gas leakage. A buzzer is turned on when Gas is detected by the sensor. Third part of project serves the functionality of a door-latch opening using a password entered through keypad. This module also turns on buzzer if 3 wrong passwords are entered consequently. Data from all modules is sent to a computer through serial port.

Block Diagram:

Home Security System

Description in detail:

It mainly consist of following blocks:

1. Infrared Transmitter: We are going to implement the theft detection module using 1 transmitter and 1 receiver. We are going to use Infra-Red transmitters because infrared beams are not visible to human eyes. Transmitter used is IR LEDs

2. Infrared Receiver: We are going to use an Infrared receiver. It is an active low device which means it gives low output when it receives the Infrared rays.

3. LPG Gas sensor: We are going to use an LPG Gas sensor to detect the gas leakage.

4. Microcontroller: This is the CPU (central processing unit) of our project. We are going to use a microcontroller of 8051 family. The various functions of microcontroller are like:

I. Reading the digital input from infrared receiver II. Reading the LPG Gas sensor output to turn on the buzzer. III. Sensing the password using keypad and to check whether it is a correct password or a wrong password and rotate the stepper motor if the password entered is a correct password. IV. Sending the data to LCD and to the computer using serial port.

5. LCD: We are going to use 16×2 alphanumeric Liquid Crystal Display (LCD) which means it can display alphabets along with numbers on 2 lines each containing 16 characters.

6. PC Interfacing: We are going to use max 232 IC for pc interfacing, the values of number of persons inside the room and the status of entered password (Correct/wrong) will be sent to pc.

7. Keypad: User will enter the password using the keypad. Various keys of keypad are as following, I. 0 to 9 II. Enter III. Escape

8. EEPROM: External E2PROM memory is used to store the password. I2C bus protocol is used for communication of EEPROM with 8051.

Applications and Advantages:

1. Can be used in house for security purpose.

2. Same project can be implemented in industry or educational institutes.

Future Development:

1. We can send this data to a remote location using mobile or internet

2. We can implement other related modules like fire sensor, wind sensor.

3. We can add the module of voice alarm system to indicate theft entry or gas leakage.

Video of the project: Home Security System


Question and answers about this project:

Question: What is the function of PC interfacing ? What data will be sent/received from PC?

Answer: PC interfacing is used to send status of various sensors to PC. Microcontroller will not receive any data from PC.

 

Do you have question or any feedback about this project?
Please email us your questions or write comments below.

 

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5 comments on “Home Security System

  • 1 August, 2013 at 5:21 pm
    Permalink

    Can you help me to chose wich projects are better for my major (Computer Engineer) Home Security System or Time Operated Electrical Appliance Controlling System

    Reply
    • 14 August, 2013 at 9:57 pm
      Permalink

      Hi Satyajeet, As per my view both projects are Good.
      In Home security system, you can have more interactions with project. Because you there are various modules like Password operated door (motor) IR sensor, LPG gas leakage sensor and it sends all the status to computer through serial port
      and in Time operated ssytem, you have less interactions. You have to set time and the all the devices will be operated with reference to the time.

      Reply
  • 28 July, 2014 at 3:11 pm
    Permalink

    how the system will identify a non human object moving near its vicinity

    Reply
  • 24 December, 2014 at 5:15 pm
    Permalink

    sir i want to develop a home security system for my home, for a number of doors. .i am a mechanical engineering, mail me some suggestions

    Reply
  • 22 June, 2015 at 1:34 pm
    Permalink

    Can I add GSM module in this project

    Reply

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