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Author email
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Description

Microcontroller Based Home Security System

Home security system is the best burglar deterrent you can have. Many people don't think about security at home until it is too late and they have become victims. The prime concern of this project is to provide total security. This microcontroller based home security with password door lock system feature can also perform day and night detection, laser beam monitoring system for windows, and magnetic monitoring for doors. Aside of providing total security, this project aims to utilize the homemade circuitry and build a low cost integrated home security system.

The system includes alarm system. Hence the security system will sound an alert when there is an attempt of break-in. The system is digital. It also incorporated a 7 segment display with a 4x3 keypad.



Home security system prototype make use of the 20pin At89c2051 microcontroller. The user is required to enter 5 digit pin to activate or deactivate the door lock security. The " # " serves as an enter key and The backspace by pressing " * " is implemented so that when the user enters a wrong password, this keys can be used to delete the previous entered pin. Windows and doors are monitored by laser beam and magnetic door sensor. If the beam and the magnetic door sensor get interrupted for a possible break-in, hence an alarm will sound and an array of light will blink.

This project is capable of light sensing using Light dependent resistor (LDR) and uses digital input output logic and analog information process. The LDR is attached to a voltage divider circuitry. By using Kirchhoff’s law the voltage obtained and which we can use to measure the level of light. As result the system will automatically trigger the lights on during night and off during day time.

Here is a working demo of the project:


  Filesize

2.43 MB

  Downloads

187840

  Rating
 

Comments

James Luther
12 Jun 2014: 16:42 PM
I downloaded the rar file but when i write hex in mcu_2 for door look in mcu(AT89C2051) it gives error while verifying."Verify failed at Byte 2 ".
But the Hex for mcu1 sensor writes and verify succesfully after programming.

Please help with the mcu_2 door lock hex
  
ajay_bhargav
13 Jun 2014: 10:40 AM
@James, can you please try with the newer hex file. Actually the hex file inside is generated from unregistered version of keil. so file does not suits well for AT89C2051.
  
senyora
15 Oct 2014: 15:33 PM
Where is the newer hex file you are talking about?
  
ajay_bhargav
15 Oct 2014: 18:19 PM
@senyora, its already updated in the zip file.
  
senyora
16 Oct 2014: 13:28 PM
Thankyou so much!
  
alexannnn
19 Oct 2014: 09:31 AM
Is there something wrong in the program(hexfile) ? It doesn't work.
  
Arush
21 Mar 2015: 20:56 PM
how can i check the hex code whether it is correct or not?
plzzzzzzz help me..
  
ajay_bhargav
23 Mar 2015: 04:31 AM
@Arush, Well you need to test it or simulate it for better idea.
  
Arush
23 Mar 2015: 18:21 PM
I have the C code of the project 'GSM based home security' bt when i ran this code on keil it shows some error but i did't able to detect the error and i also got a hex code bt dont knw wether it is correct or not ...What can i do to get the correct hex code so that i can make my final year project....plzzzzz help me
  
ajay_bhargav
29 Mar 2015: 19:28 PM
@Arush, please post the problem/question in forum. Do mention where you got the project from.
  
Arush
03 Apr 2015: 09:29 AM
[code]
Sir i have this code whr i am getting some error ..Can you help me regarding this?? plzzz
thank you
  
ajay_bhargav
03 Apr 2015: 11:29 AM
@Arush, This is not the place to ask question. Please create a new thread. just a thought change the include path as follows:
#include
  
moomkkk
11 Aug 2015: 18:40 PM
do you have coding at MPLAB
  
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Conversation

ExperimenterUK
Thu Apr 28 2016, 01:15 AM
We don't provide project reports. We try to help you do your project
Wed Apr 27 2016, 06:02 PM
abebe tigabu
help me by sending final thesis project automatoc green house effect control by arduino or by at89c51 microcontroller
Mon Apr 25 2016, 03:40 AM
abhinav kumar
Hey there, i want to project report on the RFID BASED SECURITY SYSTEM using AVR microcontroler.please mail as soon as possible. Thank you
Mon Apr 18 2016, 01:07 PM
umesh parekh
i want c code for rfid based car parking system using 8051 and parking slot indicator.if u have please email me
Mon Apr 18 2016, 10:35 AM
Prakash Rao
i need to work on OCR for Numbers, could not find any such projects done using 8051
Wed Apr 13 2016, 07:27 PM
Sanket GUPTA
hey i am new to embedded system and i want to pursue ms in embedded, i have 2 years before i can apply for ms.. in two years can i gain sufficient knowledge. i know c and c++
ExperimenterUK
Wed Apr 13 2016, 05:15 PM
@Suraj.. the method will work ,but edit to suit your compiler
Wed Apr 13 2016, 01:05 AM
Suraj Sridhar
Can I use the LCD Device driver code for STM32F401RET6?
Mon Apr 11 2016, 04:38 PM
Ankith
Can I get the code to access the file from 8051
Mon Apr 11 2016, 04:37 PM
Ankith
can I access a file or folder from sdcard using 8051 microcontroller?

Downloads

Comments

afzal42
Wed May 04 2016, 11:16 AM
pd
Sun May 01 2016, 01:35 AM
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Fri Apr 29 2016, 12:27 PM
legomaniak
Thu Apr 28 2016, 03:26 PM
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Mon Apr 25 2016, 01:54 PM
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Sun Apr 24 2016, 10:58 AM
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Sun Apr 24 2016, 09:38 AM
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Fri Apr 22 2016, 05:15 PM

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