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Smart Home

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This project was the final year project that was done as part of the final year graduation.

In this project a smart home was designed using zigbee, AVR micro controller, PIR sensor, light sensor, nokia lcd etc.

A fun project overall

Published in: Engineering
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Smart Home

  1. 1. Thiagarajar College Of Engineering SMART HOME GUIDE: Dr. (Mrs.) S.RAJU Mr. K. HARIHARAN
  2. 2. 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
  3. 3. Thiagarajar College Of EngineeringSMART HOME Home Automation
  4. 4. 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.
  5. 5. Thiagarajar College Of EngineeringSMART HOME Product Overview
  6. 6. Thiagarajar College Of EngineeringSMART HOME Product Overview
  7. 7. Thiagarajar College Of EngineeringSMART HOME 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.
  8. 8. Thiagarajar College Of EngineeringSMART HOME Flow of this Presentation Overview on Zigbee Ground Work. Sensor Specifications. Mobile Node. Appliance Control using Relay. Product Working.
  9. 9. Thiagarajar College Of EngineeringSMART HOME WIRELESS over WiredWIRELESS over Wired  FlexibilityFlexibility  ScalabilityScalability  Ease of deploymentEase of deployment  RetrofittingRetrofitting  Reduced costReduced cost  Fit and forgetFit and forget
  10. 10. Thiagarajar College Of EngineeringSMART HOME Protocols OverviewProtocols Overview ZigBee 802.15.4 Wi-Fi 802.11b Wi-Fi5 802.11a/HL2 GSM/CDMA GPRS/3G LMDS High Data RateLow Data Rate ShortRangeLongRange WAN LAN PAN Bluetooth 2 Text Digital video Multi-channel video Graphics Internet Hi-Fi audio Streaming video Bluetooth 1 802.15.1 WiMedia 802.15.3
  11. 11. Thiagarajar College Of EngineeringSMART HOME Why ZIGBEE ???Why ZIGBEE ??? Reliable and Self HealingReliable and Self Healing Supports large number of nodesSupports large number of nodes Easy to deployEasy to deploy Very long battery lifeVery long battery life SecureSecure Low costLow cost Less channel access timesLess channel access times Can be used globallyCan be used globally
  12. 12. Thiagarajar College Of EngineeringSMART HOME 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
  13. 13. Thiagarajar College Of EngineeringSMART HOME Silicon PHY Layer MAC Layer LLC Layer Network Layer Zigbee Stack Application Application Interface Application Customer ZigbeeAlliance IEEE Zigbee Stack CC2420CC2420 A Zigbee IC from Texas instruments that has bothA Zigbee IC from Texas instruments that has both physical and MAC layerphysical and MAC layer
  14. 14. Thiagarajar College Of EngineeringSMART HOME EasyBee Module True single-chip 2.4 GHz IEEE 802.15.4 compliant RF transceiver Low current consumption Programmable output power 128(RX) + 128(TX) byte data buffering  Hardware MAC encryption  Battery monitor
  15. 15. Thiagarajar College Of EngineeringSMART HOME 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.
  16. 16. Thiagarajar College Of EngineeringSMART HOME 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
  17. 17. Thiagarajar College Of EngineeringSMART HOME 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.
  18. 18. Thiagarajar College Of EngineeringSMART HOME Zigbee Development Board
  19. 19. Thiagarajar College Of EngineeringSMART HOME Sensors Used Temperature Sensor- DS1624 Motion Sensor- AMN 13112(PIR). Light Intensity - Light Dependent Resistor. Real Time Clock- DS1307
  20. 20. Thiagarajar College Of EngineeringSMART HOME Temperature Sensor: DS1624 I2C- Two Wire Interface.
  21. 21. Thiagarajar College Of EngineeringSMART HOME Motion Sensor: AMN13112 Detects changes in Infrared radiation which occur when there is movement by a person
  22. 22. Thiagarajar College Of EngineeringSMART HOME Light Dependent Resistor Resistance varies with Light Intensity.
  23. 23. Thiagarajar College Of EngineeringSMART HOME Real Time Clock: DS1307 Dedicated Clock with advanced features. I2C Compatible.
  24. 24. Thiagarajar College Of EngineeringSMART HOME Zigbee Module Integration
  25. 25. Thiagarajar College Of EngineeringSMART HOME 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.
  26. 26. Thiagarajar College Of EngineeringSMART HOME Frame Format
  27. 27. Thiagarajar College Of EngineeringSMART HOME Data Transmission Viewed Using Packet Sniffer
  28. 28. Thiagarajar College Of EngineeringSMART HOME Mobile Node Development of Nokia 3310 LCD interfacing circuit.
  29. 29. Thiagarajar College Of EngineeringSMART HOME 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.
  30. 30. Thiagarajar College Of EngineeringSMART HOME Menu Hierarchy
  31. 31. Thiagarajar College Of EngineeringSMART HOME Key Features Monitor various Sensor Status. Motion Detection Alert. Scheduler for every appliance in the home. Controlling Appliances using Relay circuitry.
  32. 32. Thiagarajar College Of EngineeringSMART HOME Startup Screen
  33. 33. Thiagarajar College Of EngineeringSMART HOME Main Screen
  34. 34. Thiagarajar College Of EngineeringSMART HOME Main Menu
  35. 35. Thiagarajar College Of EngineeringSMART HOME Rooms Display
  36. 36. Thiagarajar College Of EngineeringSMART HOME Sensor Status
  37. 37. Thiagarajar College Of EngineeringSMART HOME Switch Status
  38. 38. Thiagarajar College Of EngineeringSMART HOME Time & Date Settings
  39. 39. Thiagarajar College Of EngineeringSMART HOME Appliance Control
  40. 40. Thiagarajar College Of EngineeringSMART HOME 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.
  41. 41. Thiagarajar College Of EngineeringSMART HOME Product State Diagram
  42. 42. Thiagarajar College Of EngineeringSMART HOME Scope of the Product Cost Effective Home Automation Extremely Low Power Wireless Solution User Friendly Mobile Node Scheduled ON-OFF Control of Appliances Relocation of Sensor nodes feasible
  43. 43. Thiagarajar College Of EngineeringSMART HOME 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.

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