smart home
TRANSCRIPT
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
Thiagarajar College Of EngineeringSMART HOME
Home Automation
Thiagarajar College Of EngineeringSMART HOME
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.
Thiagarajar College Of EngineeringSMART HOME
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.