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1. Embedded systems Ph:7842522786 9948887244
PIR AND GSM BASED HOUSE SECURITY SYSTEM
Abstract
INTRODUCTION: Security is a prime concern in our day-to-day life. Everyone wants to be as much secure
as possible. The importance of GSM technology is increasing day to day so an access control system
using mobile phones indicates a vital security link. Making use of this wireless technology for device
accessing or controlling by sending an SMS or by making a call from the control unit with help of Micro
controller and GSM modem we can monitor and provide security.
OBJECTIVE: The main objective of the project is to provide security for the houses/banks/companies
etc., by detecting the intruder and indicating it by producing an alarm and also sending an SMS to the
respective owner. GSM modem provides the communication mechanism between the user and the
microcontroller based control system by means of SMS messages.
METHODOLOGY: By using this system we can secure industry or home very easily. This system consists
of a sensor which monitors the area and gives an output whenever a person is moving at the premises.
The output of the sensor is given to the control unit, when the control unit gets an input from the sensor
then it produces an alarm also sends a command to the GSM modem so that the modem sends an SMS
to corresponding number which is preloaded in the control unit. This system continuously monitors the
status of sensors connected to it. If any of the sensor gives the output indication, then micro controller
based system automatically sends the SMS alerts to the user. After completion of the command
implementation this system sends the confirmation messages back to the calling user.
skesystems@gmail.com
Vijayawada
Hyderabad
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2. Embedded systems Ph:7842522786 9948887244
Hardware Used:
 Microcontroller
 GSM Modem
 LCD
 Sensor
 Buzzer
Software Tools Used:
 Keil C Compiler
 Flash Magic
 PCB Wizard
 Language Used: Embedded C,
Applications:
skesystems@gmail.com
Vijayawada
Hyderabad
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3. Embedded systems Ph:7842522786 9948887244
 In Industries
 Security Applications
 In home Applications
 Banks
Block diagram:
Regulated To required modules
Power Supply
M
I
Sensor
LCD
C
R
O
C
GSM
module
Serial
O
N
Port
T
skesystems@gmail.com
Vijayawada
R
Hyderabad
O
Driving
Circuit
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4. Embedded systems Ph:7842522786 9948887244
Buzzer
Technical Report
skesystems@gmail.com
Vijayawada
Hyderabad
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5. Embedded systems Ph:7842522786 9948887244
 Power Supply:- 5V DC, 12V DC, 750 mA
 GSM Modem:o
Operating Voltage – 12V DC
o
Type of Interface – Serial Interface
o
Baud rate – 9600
 Sensor
o
Operating Voltage – 5V
o
Operating voltage – 5V
o
Type of interface - Parallel
 LCD
skesystems@gmail.com
Vijayawada
Hyderabad
Page 5