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WIRELESS DATA LOGGER

VIKNESHWARAN NAIDU

This report is submitted in partial fulfilment of the requirements for the award of

Bachelor of Electronic Engineering (Telecommunication) With Honours

Faculty of Electronic and Computer Engineering Universiti Teknikal Malaysia Melaka

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UNIVERSTI TEKNIKAL MALAYSIA MELAKA

FAKULTI KEJURUTERAAN ELEKTRONIK DAN KEJURUTERAAN KOMPUTER

BORANG PENGESAHAN STATUS LAPORAN

PROJEK SARJANA MUDA II

Tajuk Projek : Wireless Data Logger

Sesi

Pengajian : 2 / 2012/2013

Saya VIKNESHWARAN NAIDU A/L PATHMANATHAN

mengaku membenarkan Laporan Projek Sarjana Muda ini disimpan di Perpustakaan dengan syarat-syarat kegunaan seperti berikut:

1. Laporan adalah hakmilik Universiti Teknikal Malaysia Melaka.

2. Perpustakaan dibenarkan membuat salinan untuk tujuan pengajian sahaja.

3. Perpustakaan dibenarkan membuat salinan laporan ini sebagai bahan pertukaran antara

institusi pengajian tinggi.

4. Sila tandakan ( ) :

SULIT*

(Mengandungi maklumat yang berdarjah keselamatan atau kepentingan Malaysia seperti yang termaktub di dalam AKTA RAHSIA RASMI 1972)

TERHAD* (Mengandungi maklumat terhad yang telah ditentukan oleh

organisasi/badan di mana penyelidikan dijalankan)

TIDAK TERHAD

Disahkan oleh:

__________________________ ___________________________________

(TANDATANGAN PENULIS) (COP DAN TANDATANGAN PENYELIA)

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DECLARATIONS

“I hereby declare that this report is the result of my own work except for quotes as cited in the references.”

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“I hereby declare that I have read this report and in my opinion this report is sufficient in terms of the scope and quality for the award of Bachelor of Electronic Engineering (Computer Engineering) With Honours”.

Signature : ………..

Supervisor’s Name : ………..

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ACKNOWLEDGEMENT

First and foremost, I would like to extend my appreciation to all who contributed time, concern and efforts to lend a helping hand and thus allow me to gain invaluable knowledge. On top of that, I would like to reserve a special thanks to my supervisor, En. Mohd Shahril Izuan for his excellent in mentoring and guidance. All his comments and constructive criticism played a pivotal role throughout my project development.

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ABSTRAK

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ABSTRACT

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TABLE OF CONTENTS

CHAPTER CONTENT PAGE

PROJECT TITLE i

DECLARATIONS iii

DEDICATION v

ACKNOWLEDGEMENT vi

ABSTRAK vii

ABSTRACT viii

TABLE CONTENTS ix

LIST OF GRAPHS xii

LIST OF TABLES xii

LIST OF FIGURES xiii

LIST OF APPENDIX xiv

LIST OF ABBREVIATIONS xv

I INTRODUCTION

1.1 Overview 1

1.2 Objectives 2

1.3 Problem Statement 2

1.4 Scope 3

1.5 Overview 4

II LITERATURE REVIEW

2.1 Introduction 5

2.2 Literature Overview 5

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2.4 Dickson Data Products TP125 7

2.5 TMI Orion Tech Pico VACQ 8

2.6 Comparison between the market ready 9 Data Loggers

2.7 Sensors 9

2.7.1 Temperature Sensor 10

2.7.2 LM 35DZ Sensor 10

2.7.3 Humidity Sensor 12

2.8 Microcontroller and Microprocessor 13

2.8.1 Comparison between 14 Microprocessor and Microcontroller

2.8.2 PIC 16F877A and PIC 16F887 18

2.9 Bluetooth 20

2.9.1 Bluetooth Operation 20

2.9.2 Bluetooth Class 21

2.9.3 Bluetooth and ZigBee 25

2.9.4 Data Logger 27

III PROJECT METHODOLOGY

3.1 Project Methodology 28

3.2 Explanation of Flowchart 29

3.2.1 Literature Review and Research 29 3.2.2 Hardware Design and Development 29 3.2.3 Software Design and Development 29

3.2.4 System Integration 30

3.3 SK40C 32

3.4 Temperature and Humidity Sensor 33

3.5 Cytron BlueBee Module 35

3.6 Pin Connection to SK40C 37

3.7 Microsoft Visual Basic 2010 38

3.8 Proteus VSM 7.1 SP2 39

3.9 Micro C Pro for PIC 40

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IV RESULT AND DISCUSSION 42

4.1 LM35 Analogue Temperature Calibration 42 4.2 Cytron Humidity Analogue Sensor Calibration 45 4.3 Programming using MicroC Pro for PIC 47

4.3.1 LCD Connection 47

4.3.2 ADC Module Programming 48

4.4 Simulation using Proteus 52

4.5 Hardware Implementation 53

4.6 Visual Basic Implementation 54

VI CONLUSION AND RECOMMENDATION 57

5.1 Conclusion 57

5.2 Recommendations 58

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LIST OF GRAPHS

NO TITLE PAGE

4.1 Temperature vs. Time 44

LIST OF TABLES

NO TITLE PAGE

2.6 Product Comparison 8

2.9.2 Bluetooth Classes 24

2.9.3 Difference between Bluetooth and ZigBee 26

4.1 Temperature Analysis 44

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LIST OF FIGURES

NO TITLE PAGE

2.3 Madge Technology Wireless Data Logger 6

2.4 Dickson Data TP125 7

2.5 Pico Tech VACQ Temperature and Humidity 8

2.7.3 Humidity Sensors 12

2.8 Schematic Diagram of a Microprocessor Based System 14 2.8.1 Schematic Diagram of a Microcontroller Based System 15 2.8.2 Difference between Microprocessor and Microcontroller 16

2.8.3 Parameters for 16F877A 18

2.8.4 Parameters for 16F887A 18

2.9.1 Collection of Piconet and Scatternet 22

3.1 Flowchart of Wireless Data Logger 29

3.2 Basic block diagram of Wireless Data Logger System 31

3.3 SK40C 32

3.4 LM35 34

3.4.1 Cytron Humidity Sensor 35

3.5 Cytron BlueBee Module 36

3.6 PIN Connection to SK40C 38

3.7 Microsoft Visual Basic 2010 39

3.9 MicroC Pro for PIC 41

3.10 Pic Kit 2 42

3.10.1 UIC00B 43

4.2 Simulation using Breadboard 46

4.3 LCD pin 47

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4.3.2 ADC coding part. 50

4.4 Simulation in Proteus 52

4.5 Wireless Data Logger Module 53

4.6 Wireless Data Logger Form 54

4.6.1 Choosing the Com Port and Baud Rate 55

4.6.2 Error Message 55

4.6.3 Reading Temperature and Humidity Values 56

4.6.4 Spreadsheet data 56

LIST OF APPENDIX

NO TITLE PAGE

A1 MICROCONTROLELR SOURCE CODE 59

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LIST OF ABBREVIATIONS

SD - Secure Digital

PIC - Peripheral Interface Controller CPU - Central Processing Unit DIP - Dual Inline Package

IC - Integrated Chip

EEPROM - Electrically Erasable Programmable Read-Only Memory

PWM - Pulse Width Modulation

USART - Universal Asynchronous Receiver/Transmitter MSSP - Master Synchronous Serial Port

I/O - Input/output

SPI - System Packet Interface

CLK - Clock

SCLK/SCK - Serial Clock

CMD - Command

CS - Chip Select

MOSI - Master Out Slave In MISO - Master In Slave Out

ANSI - American National Standards Institute IDE - Integrated Drive Electronics

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CHAPTER I

INTRODUCTION

1.1 Project Introduction

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1.2 Project Objectives

The main objectives of this project are to design and construct a wireless data logger which is relatively cheap in cost which is estimated to be around RM250 below with minimizing components to achieve its economical value. Moreover it is also to use Bluetooth as a module in providing wireless transmission medium to transmit information to a Bluetooth enabled personal computer. It is also to use Microsoft Visual Basic software to design a data logging framework which will collect data wirelessly and convert the data into spreadsheet to be analyzed later on.

1.3 Project Problem Statement

As mention above in the introduction, this system uses wireless communication system as transmission medium as previous data loggers do require wired transmission medium to communicate. Nevertheless the development is not limited until that, whereas extra features can be installed in this project that will provide a convenience to the user.

By implementing Bluetooth technology allows remotely to access and use Bluetooth enabled devices without the use of wires. In this case the device can be moved around easily without the need of altering wires plus with a limited range. However the Class 2 Bluetooth will be used as it can provide the range of 30m from the interfacing personal computer or laptop.

Compare to the previous project, the wireless data logger was not included with real time monitoring. Real time monitoring via LCD as well provide the user with ease of application. Real time monitoring as well will enable user to determine whether the device is functioning with perfect as well the information being monitored on the spot to enable any configurations to be done on the environment by the user.

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personal computer or a laptop with the help of data logging framework thus converting the information to a spreadsheet for further analysis by user .This project is being developed with low cost and for simple installation as most already available data logger in the market are expensive as well as complicated to be used.

1.4 Project Work Scope

On the other hand, for the software part it includes the development of data logging framework as control panel to receive information via Bluetooth. The software for the data logging framework will be developed using Microsoft Visual Basic. Thus as in software the programming of the PIC as well will be done by using MPLab. Personal computer with enabled Bluetooth will then be interfaced with the Wireless Data Logger device.

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1.5 Overview

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CHAPTER II

LITERATURE REVIEW

2.1 Introduction

This chapter will discuss about the projects backgrounds. Its also includes some specifications about the market ready product which is related to this project.

2.2 Literature Overview

As explained before there are many kind of products that have functions to record the measurements features in recording the measurements temperature and humidity in physical properties. However a data logger which is already in the market does not come with the features of wireless transmission or real time monitoring or both altogether. These data loggers are considered design with its own limitations plus it is also expensive. Plus the products as well come in only measurement taking sensors which is limited to either only temperature or humidity reading. The conventional method is that somehow still popular as before but it is not efficient and provides inaccurate readings.

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particular product which provides wireless data logging devices to be compared with each other. Each products will be compared if whether wireless transmission, temperature and humidity sensing, real time monitoring is included and cheaper than RM250 or not.

[image:21.595.220.404.231.401.2]

2.3 Madge Technology RFRHTEMP2000A Wireless Data Logger

Figure 2.3: Madge Technology Wireless Data Logger [9]

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[image:22.595.226.414.167.294.2]

2.4 Dickson Data Products TP125

Figure 2.4: Dickson Data TP125 [8]

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[image:23.595.240.399.134.284.2]

2.5 TMI Orion Tech Pico VACQ Temperature and Humidity

Figure 2.5: Pico Tech VACQ Temperatures and Humidity [10]

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[image:24.595.61.577.141.369.2]

2.6 Comparison between the Market Ready Data Loggers

Table 2.6: Product Comparison

As we can refer to the product comparison table 2.6, can be concluded that the cost is more than RM250 which is considered expensive. Moreover two of the products are not included with wireless transmission to transfer logging data but need to be wired in order to interface it with personal computer. It can be seen also that more features a product is developed with more higher the price of the device. Products Wireless

Transmission

Temperature Sensing

Humidity Sensing

Real Time Monitoring

(LCD)

Cost

< RM250

RFRHTEMP2000A

TP 125

Figure

Figure 2.3: Madge Technology Wireless Data Logger [9]
Figure 2.4: Dickson Data TP125 [8]
Figure 2.5: Pico Tech VACQ Temperatures and Humidity [10]
Table 2.6: Product Comparison

References

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