Wsn

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Wsn

  1. 1. WIRELESS SENSOR NETWORK A PROJECT ON WIRELESS SENSOR NETWORK BY SWAPNIL G. JALLAPELLI ABDEALI JANODWALA KESHAV CHAVAN PROJECT GUIDE: Prof. SAJID NAEEM (HEAD, DEPT. OF ELECTRONIC SCIENCE),AKI’S POONA COLLEGE OF ARTS, SCIENCE AND COMMERCE, CAMP, PUNE-411001. 1
  2. 2. WIRELESS SENSOR NETWORKOUTLINE AIM OBJECTIVES NEED OF THE SYSTEM TEMPERATURE NODE PRESSURE NODE I-BUTTON NODE APPLICATION FUTURE SCOPE ADVANTAGES DIFFICULTIES COME ACROSS THE PROJECT CONCLUSION REFERANCES ACKNOWLEDGEMENT 2
  3. 3. WIRELESS SENSOR NETWORKAIM To design, build and test the circuit for wireless sensors network. 3
  4. 4. WIRELESS SENSOR NETWORKOBJECTIVES To study the Wireless Sensor Network(WSN). To design AVR based circuit for WSN. To program and study the working of AVR microcontroller (ATmega8). To network different sensors such as Temperature, Pressure, I-button. 4
  5. 5. WIRELESS SENSOR NETWORKNEED OF THE SYSTEM Portable, economical and user friendly device for security and effective communication. Easy to design. To use in day to day life for home and small scale industries. Less power consumption than other surveillance devices. Less maintenance. 5
  6. 6. WIRELESS SENSOR NETWORKTEMPERATURE NODE 6
  7. 7. WIRELESS SENSOR NETWORKBLOCK DIAGRAM Sensor Node 1: 7
  8. 8. WIRELESS SENSOR NETWORKIC LM35 8
  9. 9. WIRELESS SENSOR NETWORKCIRCUIT DIAGRAM OF TEMPERATURENODE 9
  10. 10. WIRELESS SENSOR NETWORKWORKING:-NETWORKING DIFFERENT SENSORS (TEPERATURE, PRESSURE &I-BUTTON) USING MESH TOPOLOGY.CIRCUITRY CONSISTS OF DIFFERENT NODES WITH ALMOST SAMETYPE OF COMPONENTS. TEMPERATURE SONSOR: IC LM35. INBUILT ADC. MICROCONTROLLER ATMEGA8. LCD. RF TRANSCEIVER. 10
  11. 11. WIRELESS SENSOR NETWORK 11
  12. 12. WIRELESS SENSOR NETWORKLM-35Features Calibrated directly in ˚ Celsius (Centigrade). Linear + 10.0 mV/˚C scale factor. 0.5˚C accuracy guaranteeable (at +25˚C). Rated for full −55˚ to +150˚C range. Suitable for remote applications. Low cost due to wafer-level trimming. Operates from 4 to 30 volts. Less than 60 µA current drain. Low self-heating, 0.08˚C in still air. Low impedance output, 0.1 Ω for 1 mA load. 12
  13. 13. WIRELESS SENSOR NETWORKADC:- 10-bit Resolution. 13µs - 260µs Conversion Time. 6 Multiplexed Single Ended Input Channels. 2 Additional Multiplexed Single Ended Input Channels (TQFP and QFN). Optional Left Adjustment for ADC Result Readout. 0 - VCC ADC Input Voltage Range. Selectable 2.56V ADC Reference Voltage. Free Running or Single Conversion Mode. Interrupt on ADC Conversion Complete. Sleep Mode Noise Canceler. 13
  14. 14. WIRELESS SENSOR NETWORKRF MODULE The CC2500 is a low-cost 2.4 GHz transceiver designed for very low-power wireless applications. The circuit is intended for the 2400-2483.5 MHz ISM (Industrial, Scientific and Medical) and SRD (Short Range Device)frequency band. 14
  15. 15. WIRELESS SENSOR NETWORK It gives 30 meters range with onboard antenna. In a typical system, this trans-receiver will be used together with a microcontroller. Low power consumption. High sensitivity. Operation voltage: 1.8~3.6 Volts. 15
  16. 16. WIRELESS SENSOR NETWORKMICROCONTROLLER ATMEGA8. High-performance and Low-power consumption. Advanced RISC Architecture. High Endurance Non-volatile Memory segments Peripheral Features. Special Microcontroller Features. I/O and Packages. Operating Voltages. Operating frequency. 16
  17. 17. WIRELESS SENSOR NETWORKPRESSURE NODE 17
  18. 18. WIRELESS SENSOR NETWORK Sensor Node 2: 18
  19. 19. WIRELESS SENSOR NETWORKCIRCUIT DIAGRAM OF PRESSURE NODE 19
  20. 20. WIRELESS SENSOR NETWORKWORKING OF PRESSURE NODE  PERSSURE SENSOR:  IC SPD015A.  INBUILT ADC.  MICROCONTROLLER ATMEGA8.  LCD.  RF TRANSCEIVER. 20
  21. 21. WIRELESS SENSOR NETWORKSDP015A 21
  22. 22. WIRELESS SENSOR NETWORKSPD015A:-  SPD015A is a silicon based pressure sensor of absolute type.  It consist of four strain gauges in bridge circuit.  The bridge is etched on an elastic membrane which encloses small volume low reference pressure.  The membrane is deformed due to change of outside pressure and this result in change in resistance. 22
  23. 23. WIRELESS SENSOR NETWORKI-BUTTON NODE 23
  24. 24. WIRELESS SENSOR NETWORKI-BUTTON (DS1990A) 24
  25. 25. WIRELESS SENSOR NETWORK Sensor Node 3: 25
  26. 26. WIRELESS SENSOR NETWORKCIRCUIT DIAGRAM 26
  27. 27. WIRELESS SENSOR NETWORKWORKING OF I BUTTON I-BUTTON NODE: I-button (DS1990A) MICROCONTROLLER ATMEGA8. LCD. RF TRANSCEIVER. 27
  28. 28. WIRELESS SENSOR NETWORKDS1990A I-BUTTON Number iButtons to reside on a common bus Unique 48–bit serial number Low-cost electronic key for access control Can be read in less than 5 ms Operating temperature range of -40°C to +85°C Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48- bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike. Digital identification by momentary contact Chip-based data carrier compactly stores information. 28
  29. 29. WIRELESS SENSOR NETWORK Data can be accessed while affixed to an object Standard 16 mm diameter and 1-WireTM protocol ensure compatibility with iButton family Button shape is self-aligning with cup shaped probes Durable stainless steel case engraved with registration number withstands harsh environments Easily affixed with self-stick adhesive backing, latched by its flange, or locked with a ring pressed onto its rim. 29
  30. 30. WIRELESS SENSOR NETWORK 30
  31. 31. WIRELESS SENSOR NETWORK 31
  32. 32. WIRELESS SENSOR NETWORKMASTER NODE 32
  33. 33. WIRELESS SENSOR NETWORK Sensor Node 4: (Master Node) 33
  34. 34. WIRELESS SENSOR NETWORK 34
  35. 35. WIRELESS SENSOR NETWORK 35
  36. 36. WIRELESS SENSOR NETWORKWORKING OF MASTER NODE MASTER NODE: PC. RS 232. MICROCONTROLLER ATMEGA8. LCD. RF TRANCEIVER. 36
  37. 37. WIRELESS SENSOR NETWORKWIRELESS SENSOR NETWORK 37
  38. 38. WIRELESS SENSOR NETWORKAPPLICATIONS The digital data output can be used as record in a subsequent data storage system. It can be used as a modular device. It can be used for security purposes in small scale industries and house hold domain. It can be used for temperature, pressure , etc sensing, recordkeeping and maintaining. The use of microcontroller in this device makes it more self reliant and easily readable in user friendly language. 38
  39. 39. WIRELESS SENSOR NETWORKFUTURE SCOPE It can be used publically on a large scale with necessary modifications. It can be used as a substitute to the heavy and large surveillance systems as a better and more faster means of maintenance and recordkeeping device. As it is user friendly, portable and affordable it can be a better option for mass usage. 39
  40. 40. WIRELESS SENSOR NETWORK The presence of microcontroller makes it more efficient and with add on facilities the record tracking of regular activities is also easily possible. It can serve as an ideal and multipurpose device by making necessary enhancements. 40
  41. 41. WIRELESS SENSOR NETWORKADVANTAGES The device is economical, portable and user friendly as compared to any other security systems. It requires less maintenance than other conventional system. Such a device is easy to design, build and test than any other complicated system. 41
  42. 42. WIRELESS SENSOR NETWORKDIFFICULTIES COME ACROSS THEPROJECT The programming of the microcontroller was very lengthy and difficult. The code overflow was a major concern as the microcontroller was 8-bit. 42
  43. 43. WIRELESS SENSOR NETWORKCONCULSION Designed, built and tested the “WIRELESS SENSOR NETWORK” for multipurpose industrial and house hold applications. 43
  44. 44. WIRELESS SENSOR NETWORKREFERENCES William Stallings, Wireless Communication and Networking, Prenctice Hall 2002 Maxim-Ic, http://www.maxim-ic.com Atmel Corporation, http://www.atmel.com Figure 8 Wireless, http://www.gure8wireless.com AVR Freaks, http://www.avrfreaks.com Texas Instruments, http://www.ti.com Efymag.com, September 2009 volume. 44
  45. 45. WIRELESS SENSOR NETWORKTHANK YOU! 45

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