Smart Home Monitoring and Controlling System Using Android Phone

International Journal of Emerging Technology and Advanced Engineering
Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 3, Issue 11, November 2013)
426

Smart Home Monitoring and Controlling System Using
Android Phone
Gowthami.T
1
, Dr. Adiline macriga. G
2

1
PG Student, ME Computer and Communication, Sri Sairam Engineering College, Chennai-44.
2
Professor, Department of IT, Sri Sairam Engineering College, Chennai-44.
Abstract – Our project describes a zigbee module and
android based home monitoring system for security, safety
and healthcare for human. The existing system provides
security and safety or healthcare system but in my project
provide combination of these two systems. This system is more
flexible and can be implemented in many research areas. This
paper introduces a smart home system which could supervise
household appliances remotely and realize real-time
monitoring of home security status through mobile phone.
This paper mainly focuses on the monitoring and control of
smart home remotely and providing security, when the user is
away from the place. The personal computer is used to
monitor the various parameters in the proposed system. In
this system android phone is used to monitor and control the
various parameters. Android phone is main advantage

compared to personal computer for using any place. To
monitor the various parameter using zigbee, that has viewed
by lab view and then controlled using android phone.
Key word – Home automation, Zigbee, Android phone
I. INTRODUCTION
Home automation is become more advantageous for
safety, security. An embedded board physically connected
all home automation devices and through integration with a
personal computer (PC) based web server, provided remote
access to the system. We are going to use these wireless
sensors for home monitoring.
Nowadays, home automation became more modern and
precise to monitor the fields. There are so many challenges
in the modern home automation such as Temperature, gas,
light, fan, obstacles and human healthcare for smart home.
This paper concentrates smart home monitoring using
sensors.
The physical parameters such as temperature and gas for
the kitchen, Light and Fan for the bed room, obstacle
sensor used as some important places and the human
healthcare should be closely monitored. For this there are
three sensors are used. Using embedded c and lab view
programming part has been done.





II. RELATED WORK
Physical Parameters of the home are sensed by data

acquisition system. Data acquisition has been done using
sensor nodes. A node contains three sensors. The sensors
are used for monitoring the physical parameter
measurements. In the home monitoring, the parameters
such as kitchen temperature, gas and obstacle are
monitored.
These parameter measurements are gathered and
processed using digital signal processing. In digital signal
processing, the analog signals generated from the sensor
nodes are converted into digital signals.
Again the digital signals are converted into analog
signal. The analog signals from various sensor nodes are
transmitted to the local home monitoring server using
zigbee. From the local server the data has been sent to the
remote view through the network interface. The general
structure of the sensor node is given in figure 1.

Fig 1 General Structure
III. PROPOSED WORK
A. Local Monitoring Server
The sensor node is responsible for gathering, processing
and transmitting the measurement data periodically to the
local home monitoring server with embedded web support.
The architecture of the local server module is given in
figure 2.

International Journal of Emerging Technology and Advanced Engineering
Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 3, Issue 11, November 2013)
427

Figure 2 Local Monitoring Server
B. Remote View using Android
The local monitoring server sends the home appliances
output using graphical user interface. Wi-Fi network is
used us the communication between local monitoring
server and android device. The architecture of remote view
using android module is given in figure 3.

Figure 3 Remote View using Android
IV. IMPLEMENTATION
A.Temperature
For the temperature the LM35 sensor is used. It has an
output voltage that is proportional to the Celsius
temperature. It has low self heating capability, suitable for
remote applications, low cost due to wafer level trimming,
operates from 4 to 30v, low impedance output.
B. Gas
This is the simple to use liquefied petroleum gas (LPG)
sensor, suitable for sensing LPG concentrations in the air.
The MQ6 can detect gas concentrations for anywhere for
200 to 10000ppm.
The sensor has the high sensitivity and fast response
time. The sensor’s output is an analog resistance, so
connect output to ADC.

C. Obstacle
The gp2d12 is used for measuring the human movement.
The gp2d12 is a distance measuring sensor with integrated
signal processing and analog voltage output. The small and

rather inexpensive infrared device is able to measure
distance between 10cm to 80cm.
F. Wireless transmission using embedded gateway
The above parameters are gathered and processed by
microcontroller and transmitted to local monitoring server.
These outputs are monitored in any other places for using
android portable devices.
V. CONCLUSION AND FUTURE WORK
In the future all electrical appliances and human body
health condition should be involved and this has
successfully monitored and controlled using lab view.
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