Smart Home

Thiagarajar College Of Engineering

SMART HOME

GUIDE: Dr. (Mrs.) S.RAJU

Mr. K. HARIHARAN

Thiagarajar College Of EngineeringSMART HOME

SMART HOME Team:

M.Alagappan

T.Balaji Srinivasan

S.M.Jerome Lourdu Vikram

S.Pradheep

S.Vasantha Kumar

S.Vivek Swaminathan

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Home Automation

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Objective

Developing a prototype on the Home of the Future.

Control Appliances by monitoring various Parameters (using Sensors) and keeping the User updated on the Status.

Establishing a wireless data transfer link using Zigbee protocol.

Developing a network of Zigbee nodes that communicate seamlessly.

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Product Overview

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Product Overview

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Key Features Implemented

Lighting Control Systems.Intruder Detection System.Monitor Temperature and Light Intensity.Mobile node for Monitoring and Control.Schedule various Appliances.Data transfer using Zigbee protocol.Seamless Zigbee Network.

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Flow of this Presentation

Overview on Zigbee Ground Work.Sensor Specifications.Mobile Node.Appliance Control using Relay.Product Working.

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WIRELESS over WiredWIRELESS over Wired

FlexibilityFlexibility ScalabilityScalability Ease of deploymentEase of deployment RetrofittingRetrofitting Reduced cost Reduced cost Fit and forgetFit and forget

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Protocols OverviewProtocols Overview

ZigBee802.15.4

Wi-Fi802.11b

Wi-Fi5802.11a/HL2

GSM/CDMA GPRS/3G LMDS

High Data RateLow Data Rate

Sh

ort

Ran

geL

ong

Ran

ge

WAN

LAN

PAN

Bluetooth 2

Text

Digitalvideo Multi-channel

video

GraphicsInternet

Hi-Fiaudio Streaming

video

Bluetooth 1802.15.1

WiMedia802.15.3

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Why ZIGBEE ???Why ZIGBEE ???

Reliable and Self HealingReliable and Self HealingSupports large number of nodesSupports large number of nodesEasy to deployEasy to deployVery long battery lifeVery long battery lifeSecureSecureLow costLow costLess channel access timesLess channel access timesCan be used globallyCan be used globally

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What is Zigbee?What is Zigbee?

Specification of protocols for small, low-power radios

Operates at 868.3MHz,902-928MHz,2.4-2.48MHz

Zigbee-Alliance Companies developing and promoting the

standard 150+ members

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Silicon

PHY Layer

MAC Layer

LLC Layer

Network Layer

ZigbeeStack

Application

Application Interface

Application

Cu

stom

er

Zig

bee A

llian

ce

IEE

E

Zigbee Stack

CC2420CC2420 A Zigbee IC from Texas instruments that has both A Zigbee IC from Texas instruments that has both physical and MAC layerphysical and MAC layer

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EasyBee Module

True single-chip 2.4 GHz IEEE802.15.4 compliant RF transceiverLow current consumptionProgrammable output power128(RX) + 128(TX) byte data buffering Hardware MAC encryption Battery monitor

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Ground Work

Identification and procurement of the various Components and Sensors.

Development of all the hardware necessary for the product development.

Fabrication of a common platform for interoperable module development.

Basic Testing of Working of the boards.

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Work Flow

Requirement Analysis

Components Identification

Component Procurement

Development Boards

Hardware Circuit Design

Zigbee Network Formation

Mobile Node Development

Appliance Control using Relays

Integration of modules

Prototype Development

Initial Works

Development

Integration

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Development Boards

AVR Microcontroller Development board for developing Sensor modules.

Dual Power Supply Selection. On Board Serial Communication. 2 X 4 Matrix Keyboard and LEDs. JTAG and SPI compatible. In System Programmable.

Easybee Development Board for Zigbee Programmer for AVR ATmega series.

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Zigbee Development Board

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Sensors Used

Temperature Sensor- DS1624Motion Sensor- AMN 13112(PIR).Light Intensity - Light Dependent

Resistor.Real Time Clock- DS1307

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Temperature Sensor: DS1624

I2C- Two Wire Interface.

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Motion Sensor: AMN13112

Detects changes in Infrared radiation which occur when there is movement by a person

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Light Dependent Resistor

Resistance varies with Light Intensity.

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Real Time Clock: DS1307

Dedicated Clock with advanced features.I2C Compatible.

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Zigbee Module Integration

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Key Implementations

Communication between two nodes using Zigbee protocol across the available channel.

Assignment of network and host ID to the available nodes.

Address recognition between the communicating nodes.

Acknowledgement to Packets to identify any node failures.

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Frame Format

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Data Transmission Viewed Using Packet Sniffer

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Mobile Node

Development of Nokia 3310 LCD interfacing circuit.

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Nokia LCD Interfacing

NOKIA 3310 LCD INTERFACING BOARD: Compatible with AVR Development

Board. 4 X 4 Matrix Keypad. Real time clock using DS1307. Scheduler for appliances.

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Menu Hierarchy

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Key Features

Monitor various Sensor Status.Motion Detection Alert.Scheduler for every appliance in the

home.Controlling Appliances using Relay

circuitry.

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Startup Screen

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Main Screen

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Main Menu

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Rooms Display

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Sensor Status

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Switch Status

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Time & Date Settings

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Appliance Control

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Atmega 8L

Atmega 8L to remove the burden of parent controller from controlling all appliance.

Can be used to extend the no of controlled devices.

Usage of serial interface allows relocation of controlling switches to any location.

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ProductState Diagram

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Scope of the Product

Cost Effective Home AutomationExtremely Low Power Wireless SolutionUser Friendly Mobile NodeScheduled ON-OFF Control of

AppliancesRelocation of Sensor nodes feasible

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Future Work

Adding more number of Sensors.Integration of Camera to provide real

time Video Surveillance. Ethernet Module development to upload

the data on to the Internet.GSM module support for providing the

user with SMS Alerts.