EMBEDDED BASED REMOTE ACCESS AND CONTROL SYSTEM THROUGH 3G COMMUNICATION

International Journal of Innovative Research in Advanced Engineering (IJIRAE) ISSN: 2349-2163
Issue 03, Volume 4 (March 2017) www.ijirae.com
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IJIRAE: Impact Factor Value – SJIF: Innospace, Morocco (2016): 3.916 | PIF: 2.469 | Jour Info: 4.085 |
ISRAJIF (2016): 3.715
IJIRAE © 2014- 17, All Rights Reserved Page - 78
EMBEDDED BASED REMOTE ACCESS AND
CONTROL SYSTEM THROUGH 3G COMMUNICATION
Vivek.R, Ujjiban, Devika.M
1,2
Students, 3
Assistant Professor
Department of Electronics & communication Engineering
Sathyabama University, Chennai, India
Manuscript History
Number: IJIRAE/RS/Vol.04/Issue03/MRAE10095
Received: 20, March 2017
Final Correction: 28, March 2017
Final Accepted: 28, March 2017
Published: March 2017
Abstract — Robbery is a danger encountered several times. Modern electronics yields itself for robbery; also it shows
ways to avoid it. We have, therefore, in this project, attempted to develop an integrated system that combines the features
of a Embedded controller, GSM and IoT devices to be useful in detecting, monitoring and protecting through internet.
The ultra modern micro electronics has made opportunities for the development of such security system with the advent
of sensors for sensing the presence of a person. We use PIR sensor unit to detect the presence of any Person. Our
system consists of three sections detecting, monitoring and protecting. Here detecting system consists of PIR sensor to
indicate the motion of the human being. Smoke sensor to detect the smoke. Temperature sensor to sense the temperature
variations. Vibration sensor to sense vibration level. Door breakage detector to detect the breaking of door to rob.
Second section is monitoring, when the intruder enters into the monitoring area this sensor detect the intruder and
immediately send the indication to the user through mail to reveal the message and also send the alert SMS to the user
for notification. By this user can able to understand something has happened in his place and he can proceed for
further action. Last section is protective section, it consists of spray control system which is controlled through internet
to make the opponent unconscious for certain interval. Hence the electronic system which provides these three sections
helps to prevent the properties from robbery and other unnecessary problem and also provides solution to the user to live
a secured life.
Keywords — Component; sensors;Embedded Ctrller;IOT; Keil C.
I. INTRODUCTION
From last few year security is an essential requirement of armored cars, banks, houses, offices, etc., to keep properties safe
from intruders to get rob. So the researchers and companies tries to implement an algorithms and make some gradates that
keep your properties safe from intruders. This leads to advance technology that make your system intelligent or modern this
called as intelligent security system also. With this technology property owner can control other appliances as well like
lighting system, dimming, electrical appliances and many more. Now a day's wireless technology is used to control
appliances instead of wired topological connection. GSM (Global System for Mobile Communication) technology makes
used to communicate input signal from appliances to output message on device. That means after detection of any intrusion
GSM Modem sends the appropriate message to owner's phone. The signals or data which is comes from sensors or other
equipment digitize it by GSM module and send it to receiver. The user can control the rob by turn on spray unit to make
robber unconsciousness through internet.
II. EXISTING SYSTEM
As the social computerization and automation has been increased and the ATM and credit card has been installed and
spread out to simplify the activity for financial activity, the banking activity has been simplified, however the crime related
with financial organization has been increased in proportion to the ratio of spread out of automation and devices.

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Transferring money by train, container, ship are easily hijacked by robbers. Recently robbery at train happened. Robbery
encountered several times in homes, banks, ATM, Offices, industries, etc. Current security systems provide burglary
invasion detection, fire detection, personal health protection etc. However, there are limitations to fully orchestrate and
utilize the network-enabled devices such as Internet of Things (IoT) devices to provide more flexible services. In today’s
technically advanced world, autonomous systems are gaining rapid popularity.
III. PROPOSED SYSTEM
IOT Security Model can be remotely accessed by using any smart device and PC to monitor the security status within the
bank, house and offices through the data collected from sensors through the Internet. This proposed system is developed
using Arduino controller. It can be used to detect any intrusion in bank, houses and offices and send the alerts on cell
phones.
IV. BLOCK DIAGRAM
V. BLOCK DIAGRAM DESCRIPTION
POWER SUPPLY
DC power supply part consist of ac supply of 230v is step down using transformer, bridge rectifier converts ac signal to dc
& regulator is used to produce constant dc voltage.
EMBEDDED CONTROLLER
A microcontroller can be considered a self-contained system with a processor, memory and peripherals and can be used as
an embedded system. The majority of microcontrollers in use today are embedded in other machinery, such as automobiles,
telephones, appliances, and peripherals for computer systems. These are called embedded systems.
RELAY DRIVER
Relay Driver is used for drive the relay. ULN2003A IC is used as driver.
RELAY
Relays are switching devices. Switching devices are the heart of industrial electronic systems. When a relay is energized or
activated, contacts are made or broken. They are used to control ac or dc power.
POTENTIAL TRANSFORMER
The potential transformer works along the same principle of other transformers. It converts voltages from high to low. It
will take the thousands of volts behind power transmission systems and step the voltage down to something that meters can
handle. These transformers work for single and three phase systems, and are attached at a point where it is convenient to
measure the voltage.
CURRENT MEASURING CIRCUIT
The current drawn by the load is measured by using current transformer. The primary of the current transformer is
connected in series with the load. A resistance of suitable value is connected across the secondary of the current
transformer. Here the current is converted into voltage. Now the voltage drop across the resistor is applied to an attenuator
circuit. The attenuator circuit reduces the voltage to a required level.

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ARDUINO
Arduino is an open-source platform used for building electronics projects. It consists of both microcontroller and a piece
of software runs on your computer, used to write and upload computer code to the physical board. It is used to control the
robot hand movement based on the input from control panel.
LCD
A liquid-crystal display (LCD) is a flat-panel display or other electronic visual display that uses the light-modulating
properties of liquid crystals. Liquid crystals do not emit light directly. 16x2 LCD is used in our project. It is used to display
the baby distance from ground.
MEMS SENSOR
The ADXL335 is a small, thin, low power, complete 3-axis accelerometer with signal conditioned voltage outputs. The
product measures acceleration with a minimum full-scale range of ±3 g. It can measure the static acceleration of gravity in
tilt-sensing applications, as well as dynamic acceleration resulting from motion, shock, or vibration.
INTERFACE (MAX232)
Level translators provide an interface between components that operate at different voltage levels.
INTERNET OF THINGS (IOT)
The Internet of Things (IoT) is a system of interrelated computing devices, mechanical and digital machines, objects,
animals or people that are provided with unique identifiers and the ability to transfer data over a network without requiring
human-to-human or human-to-computer interaction.
LAN
A local area network (LAN) is a group of computers and associated devices that share a common communications line or
wireless link to a server. Typically, a LAN encompasses computers and peripherals connected to a server within a distinct
geographic area such as an office or a commercial establishment.
GSM MODULE
GSM/GPRS module that works on three frequencies 900 MHz, 1800 MHz and 1900 MHz and requires a +12V supply.
There are two LEDs on the board. One is power LED and the other is network LED. Power LED turns ON when SIM card
is inserted into the slot and module is powered up. After few seconds the network LED starts blinking at 3 seconds interval.
Coding of GSM module is done.
TEMPERATURE SENSOR (LM35)
In this project we are using LM35. The LM35 is an integrated circuit sensor that can be used to measure temperature with
an electrical output proportional to the temperature (in °C).It can measure temperature more accurately than a using a
Thermistor. The sensor circuitry is sealed and not subject to oxidation. The LM35 generates a higher output voltage than
thermocouples and may not require that the output voltage be amplified. The LM35 has an output voltage that is
proportional to the Celsius temperature. The scale factor is .01V/°C.
VI. CIRCUIT DIAGRAM

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VII. CIRCUIT DIAGRAM DESCRIPTION
The Circuit Diagram consists of Power supply unit, Temperature sensor, Mems sensor, amplifier, Arduino 328, Max232,
Internet of things, relay driver, relay, Fan, Load, Alarm and LAN. The power supply unit is used to provide constant dc
supply to all the components. Temperature sensor is used to sense the level of the temperature and its output is given to the
Arduino 328. Mems sensor is used to sense the vibration level and its output is amplified with the help of amplifier and
given to the Arduino 328. Potential transformer is used to step down the measured voltage level and its output is given to
the voltage measuring unit which provides the voltage to the arduino 328. Current transformer is used to step up the
measured current level and and its output is given to the current measuring unit which provides the voltage signal according
to the measured current value to the arduino 328. Max232 is used as the interface between Internet of things and
arduino328 controller. Max232 is used to increase the voltage level or increase the signal to transfer the data without
oscillation. The Internet of Things (IoT) is a system of interrelated computing devices, mechanical and digital machines,
objects, animals or people that are provided with unique identifiers and the ability to transfer data over a network without
requiring human-to-human or human-to-computer interaction. A local area network (LAN) is a group of computers and
associated devices that share a common communications line or wireless link to a server. Typically, a LAN encompasses
computers and peripherals connected to a server within a distinct geographic area such as an office or a commercial
establishment. Relay driver is used to drive the relay. Relay is an automatic switching device which is used to switch the
fan and load according to the output of the arduino328 controller.
VIII. HARDWARE DETAILS
SINGLE POWER SUPPLY
Power supply gives supply to all components. In our project input source used to battery. LM 7805 regulator is used to
maintain voltage as constant. Then signal will be given to next capacitor, which is used to filter unwanted AC component.
Load will be LED and resister.LED voltage is 1.75V.if voltage is above level beyond the limit, and then it will be dropped
on resister.
ARDUINO (ATMEGA 328)
Arduino is an open-source computer hardware and software company, project and user community that designs and
manufactures microcontroller-based kits for building digital devices and interactive objects that can sense and control
objects in the physical world.

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The project is based on microcontroller board designs, manufactured by several vendors, using various microcontrollers.
These systems provide sets of digital and analog I/O pins that can be interfaced to various expansion boards ("shields") and
other circuits. The boards feature serial communications interfaces, including USB on some models, for loading programs
from personal computers. For programming the microcontrollers, the Arduino project provides an integrated development
environment (IDE) based on the Processing project, which includes support for the C and C++ programming languages.
The first Arduino was introduced in 2005, aiming to provide an inexpensive and easy way for novices and professionals to
create devices that interact with their environment using sensors and actuators. Common examples of such devices intended
for beginner hobbyists include simple robots, thermostats, and motion detectors.
Arduino boards are available commercially in preassembled form, or as do-it-yourself kits. The hardware design
specifications are openly available, allowing the Arduino boards to be manufactured by anyone. Industries estimated in
mid-2011 that over 300,000 officials Arduino had been commercially produced, and in 2013 that 700,000 official boards
were in users' hands.
MEMS SENSOR
Specifications
 3-axis sensing
 Small, low-profile package
 4 mm × 4 mm × 1.45 mm LFCSP
 Low power - 350 μA (typical)
 Single-supply operation
 1.8 V to 3.6 V
 10,000 g shock survival
GENERAL DESCRIPTION
The ADXL335 is a small, thin, low power, complete 3-axis accelerometer with signal conditioned voltage outputs. The
product measures acceleration with a minimum full-scale range of ±3 g. It can measure the static acceleration of gravity in
tilt-sensing applications, as well as dynamic acceleration resulting from motion, shock, or vibration. The user selects the
bandwidth of the accelerometer using the CX, CY, and CZ capacitors at the XOUT, YOUT, and ZOUT pins. Bandwidths
can be selected to suit the application, with a range of 0.5 Hz to 1600 Hz for the X and Y axes, and a range of 0.5 Hz to 550
Hz for the Z axis. The ADXL335 is available in a small, low profile, 4 mm × 4 mm × 1.45 mm, 16-lead, plastic lead frame
chip scale package (LFCSP_LQ)

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RELAY DRIVER
ULN2003 is a high voltage and high current Darlington array IC. It contains seven open collector darlington pairs with
common emitters. A darlington pair is an arrangement of two bipolar transistors. ULN2003 is for 5V TTL, CMOS logic
devices. These ICs are used when driving a wide range of loads and are used as relay drivers, display drivers, line drivers
etc. ULN2003 is also commonly used while driving Stepper Motors.
Each channel or darlington pair in ULN2003 is rated at 500mA and can withstand peak current of 600mA.
RELAY
Relay is an electromagnetic device which is used to isolate two circuits electrically and connect them magnetically. They
are very useful devices and allow one circuit to switch another one while they are completely separate. They are often used
to interface an electronic circuit (working at a low voltage) to an electrical circuit which works at very high voltage. For
example, a relay can make a 5V DC battery circuit to switch a 230V AC mains circuit. Thus a small sensor circuit can
drive, say, a fan or an electric bulb. A relay switch can be divided into two parts: input and output. The input section has a
coil which generates magnetic field when a small voltage from an electronic circuit is applied to it.

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This voltage is called the operating voltage. Commonly used relays are available in different configuration of operating
voltages like 6V, 9V, 12V, 24V etc. The output section consists of contactors which connect or disconnect mechanically.
In a basic relay there are three contactors: normally open (NO), normally closed (NC) and common (COM). At no input
state, the COM is connected to NC. When the operating voltage is applied the relay coil gets energized and the COM
changes contact to NO. Different relay configurations are available like SPST, SPDT, DPDT etc, which have different
number of changeover contacts. By using proper combination of contactors, the electrical circuit can be switched on and
off. Get inner details about structure of a relay switch.
LM35 TEMPERATURE SENSOR
LM35 Temperature sensor Pinout
The LM35 is an integrated circuit sensor that can be used to measure temperature with an electrical output proportional to
the temperature (in °C).It can measure temperature more accurately than a using a Thermistor. The sensor circuitry is
sealed and not subject to oxidation. The LM35 generates a higher output voltage than thermocouples and may not require
that the output voltage be amplified. The LM35 has an output voltage that is proportional to the Celsius temperature. The
scale factor is .01V/°C. The LM35 does not require any external calibration or trimming and maintains an accuracy of +/-
0.4°C at room temperature and +/-0.8°C over a range of 0°C to +100°C.Another important characteristic of the LM35 is
that it draws only 60 micro amps from its supply and possesses a low self-heating capability. The LM35 comes in many
different packages such as TO-92 plastic transistor-like package,T0-46 metal can transistor-like package,8-lead surface
mount SO-8 small outline package.
WORKING PRINCIPLE OF LM35
There are two transistors in the center of the drawing. One has ten times the emitter area of the other. This means it has one
tenth of the current density, since the same current is going through both transistors. This causes a voltage across the
resistor R1 that is proportional to the absolute temperature, and is almost linear across the range. The "almost" part is taken
care of by a special circuit that straightens out the slightly curved graph of voltage versus temperature.

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The amplifier at the top ensures that the voltage at the base of the left transistor (Q1) is proportional to absolute temperature
(PTAT) by comparing the output of the two transistors. The amplifier at the right converts absolute temperature (measured
in Kelvin) into either Fahrenheit or Celsius, depending on the part (LM34 or LM35).The little circle with the "i" in it is a
constant current source circuit. The two resistors are calibrated in the factory to produce a highly accurate temperature
sensor. The integrated circuit has many transistors in it -- two in the middle, some in each amplifier, some in the constant
current source, and some in the curvature compensation circuit. All of that is fit into the tiny package with three leads.
HOW TO CONNECT TEMPERATURE SENSOR TO ARDUINO UNO?
The LM35 IC has 3 pins-2 for the power supply and one for the analog output. It is a low voltage IC which uses
approximately +5VDC of power. The output pin provides an analog voltage output that is linearly proportional to the
Celsius (centigrade) temperature. Pin 2 gives an output of 1 mill volt per 0.1°C (10mV per degree).So to get the degree
value in Celsius, all that must be done is to take the voltage output and divide it by 10-this give out the value degrees in
Celsius.
The circuit connections are made as follows:
 Pin 1 of the LM35 goes into +5V of the arduino
 Pin 2 of the LM35 goes into analog pin A0 of the arduino
 Pin 3 of the LM35 goes into ground (GND) of the arduino
GSM MODEM
GSM MODEM is a class of wireless MODEM devices that are designed for communication of a computer with the GSM.
It requires a SIM (Subscriber Identity Module) card just like mobile phones to activate communication with the network.
Also they have IMEI (International Mobile Equipment Identity) number similar to mobile phones for their identification.
The MODEM needs AT commands, for interacting with processor or controller, which are communicated through serial
communication. These commands are sent by the controller/processor.

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The MODEM sends back a result after it receives a command. Different AT commands supported by the MODEM can be
sent by the processor/controller/computer to interact with the GSM cellular network.
GSM MODEM SIM900
The GSM modem is a specific type of device, which accepts a SIM card operate on a subscriber’s mobile number over a
network, as a cellular phone. Modem sim300 is triband GSM/GPRS locomotives that perform on EGSM900MHz,
DCS1800MHz and PCS1900MHz frequencies. GSM Modem is used as a RS232-logic level compatible, i.e., it various
from -3v to -15v as logic high and +3v to +15 as logic low.MAX232 is used to convert TTL into RS232 logic level
converter is used between the microcontroller and the GSM board. The microcontroller signal is sent to the GSM modem
through pin 11 of max232. The pin2 of the GSM modem received the signal from microcontroller. The GSM modem
transmits the signals from pin3 to the microcontroller through MAX232.
FEATURES OF GSM
 Single supply voltage 3.2v-4.5v
 Typical power consumption in SLEEP Mode: 2.5mA.
 SIM300 tri-band
 Typical powerconsumptioninSLEEPMode: 2.5mA.
 SIM300tri-band
 MT, MO, CB, text and PDU mode, SMS storage: SIM card
 Supported SIM Card: 1.8V, 3V
LEVEL CONVERTER (MAX232)
The RS232 is not compatible with today’s microprocessors and microcontrollers; we need a line drive (voltage convertor)
to convert the RS232’s signals to the TTL voltage levels that will be acceptable to the 8051’s TxD and RxD pins. The
MAX232 converts from RS232 voltage levels to TTL voltage levels, and vice versa. One advantage of the MAX232 chip is
that it uses a +5 V power source which is the same as the source voltage for the 8051. In other words, with a single +5 V
power supply we can power both the 8051 and MAX232, with no need for the dual power supplies that are common in
many older systems.
FEATURES
 Meets or Exceeds TIA/EIA-232-F and ITU
 Recommendation V.28

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 Operates From a Single 5-V Power Supply
 With 1.0-_F Charge-Pump Capacitors
 Operates Up To 120 kbit/s
 Two Drivers and Two Receivers
 ±30-V Input Levels
 Low Supply Current . . . 8 mA Typical
 ESD Protection Exceeds JESD 22
 2000-V Human-Body Model (A114-A)
 Upgrade With Improved ESD (15-kV HBM)
 and 0.1-_F Charge-Pump Capacitors is
 Available With the MAX202
 Applications
 TIA/EIA-232-F, Battery-Powered Systems,
 Terminals, Modems, and Computers
INTERNET OF THINGS (IOT)

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The Internet of Things (IoT), also sometimes referred to as the Internet of Everything (IoE), consists of all the web-
enabled devices that collect, send and act on data they acquire from their surrounding environments using embedded
sensors, processors and communication hardware.
IX. CONCLUSION
In this project genesis IOT Security Model can be remotely accessed by using any smart device and PC to monitor the
security status within the bank, house and offices through the data collected from sensors through the Internet. This
proposed system is developed using Arduino controller. It can be used to detect any intrusion in bank, houses and offices
and send the alerts on cell phones. So then only the advanced techniques are used in this project. In order to improve
market acceptance and ease of deployment. Now a days the embedded world an advanced & intelligent system by using
real time applications.
X. REFERENCES
[1]. Jun Zhang, Hui Wang, TianhuaMeng and Guangming Song, 2011, “Design of a Wireless Sensor Network Based
Monitoring System for Home Automation”, International Conference on Future Computer Sciences and Application
(ICFCSA), pp. 57-60, Nanjing, June 2011.
[2]. K.K. Griffiths and R. Melanie, 2012, "Smart Home Security" , Homebuilding & Renovating. Retrieved University of
Leeds
[3]. I.K. Hwang and J.W. Baek, 2007, “Wireless Access Monitoring and Control System based on Digital Door Lock,”
IEEE Transactions on Consumer Electronics, 53(4), pp. 1724-1730, Taipei.
[4]. Huiping Haung, 2010, “A Remote Home Security System Based on Wireless Sensor Network and GSM Technology”,
Second International Conference on Network Security Wireless Communication and Trusted Computing (NSWCTC)
Proceedings, Volume 1, Page 535-538.
[5]. David Crouse et al, 2004 “Wireless Home Security System”, University of Connecticut, ECE 209, spring.

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