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TITLE PAGE

 

BY

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--/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---

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APPROVAL PAGE

This is to certify that the research work, "design and construction of a microcontroller based temperature controlled indicator" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.

By
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Supervisor                                                  Head of Department.
Signature……………….                           Signature……………….        

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External Invigilator

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DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.

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ACKNOWLEDGEMENT

The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.

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PROJECT DESCRIPTION: This work "design and construction of a microcontroller based temperature controlled indicator" research material is a complete and well researched project material strictly for academic purposes, which has been approved by different Lecturers from different higher institutions. We made Preliminary pages, Abstract and Chapter one of "design and construction of a microcontroller based temperature controlled indicator" visible for everyone, then the complete material on "design and construction of a microcontroller based temperature controlled indicator" is to be ordered for. Happy viewing!!!

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The temperature controlled indicator system is designed with microcontroller is quite useful for conference halls, auditoriums, cinema halls, and other commercial organizations where many people gathered together, and lot of fans are required at these places. In this work, arduinois the heart of the work, which controls the temperature of any environment or device with given set points, It also displays state of the device either on or off and current temperature.
As the name implies, a microcontroller based temperature controlled indicator is an instrument used to monitor and display temperature. The temperature controller takes an input from a temperature sensor and has an output that is displayed via LCD.

 

TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
CHAPTER ONE
INTRODUCTION
1.1     BACKGROUND OF THE PROJECT

1. AIM AND OBJECTIVES OF THE PROJECT
2. SIGNIFICANCE OF THE PROJECT
3. BENEFIT OF THE PROJECT
4. PURPOSE OF THE PROJECT
5. SCOPE OF THE PROJECT
6. APPLICATION OF THE PROJECT

CHAPTER TWO – LITERATURE REVIEW
2.1     OVERVIEW OF TEMPERATURE CONTROL
2.2     REVIEW OF DIFFERENT TYPES OF TEMPERATURE CONTROLLERS AND THEIR WORKING PRINCIPLE
2.3     DEFINITION OF TEMPERATURE SENSOR

2.4     TYPES OF TEMPERATURE SENSORS

CHAPTER THREE – RESEARCH METHODOLOGY
3.1     INTRODUCTION
3.2     SYSTEM BLOCK DIAGRAM
3.3     SYSTEM CIRCUIT DIAGRAM
3.4     COMPONENTS REQUIRED
3.5     SYSTEM CIRCUIT AND WORKING
3.6     TEMPERATURE MONITOR ARDUINO CODE
3.7     POWER SUPPLY UNIT
3.8     COMPONENTS DESCRIPTION

CHAPTER FOUR

4.0       RESULT ANALYSIS

4.1     CONSTRUCTION PROCEDURE AND TESTING
4.2     CASING AND PACKAGING
4.3     ASSEMBLING OF SECTIONS
4.4    TESTING
4.5    PROBLEM ENCOUNTERED
4.6     BILL OF ENGINEERING MEASUREMENTS AND EVALUATION
CHAPTER FIVE
5.1     CONCLUSION
5.2     RECOMMENDATIONS
REFERENCES

 

CHAPTER ONE
1.0                                          INTRODUCTION
The main purpose of microcontroller based temperature controlled indicator system is to control the temperature of any electronic devices whose temperature keeps fluctuating and thus requires a constant watch on the device. The use of this system eliminates constant watching on the device by self controlling the temperature of the system.
Our proposed project consists of a temperature sensor for more accurate temperature control in various industries. Our system overcomes the disadvantages of thermostat/analog systems in terms of accuracy. This system can be used in any firm or organization where it is very important to maintain precise temperatures. LCD display is used to display the temperature and when the temperature exceeds the set limit, the alarm will blow in order to inform the user.
The system uses a digital temperature sensor in order to detect temperature and pass on the data to the arduino microcontroller. The arduino microcontroller processes data and sends the temperature to be displayed on LCD screen. The display is 16 *2 LCD. It consists of 2 push buttons for setting the high and low temperatures. Pressing set button allows user to increment and decrement high and low temperatures. After that the system detects temperature and switches the load when it goes beyond set limits.
1.2                          BACKGROUND OF THE PROJECT
Nowadays, the air conditioning is widely used especially in warm countries including Nigeria. Usually the conventional air conditioning is always cooling the room depending on the fixed temperature setting and is not automatically adjusted for the comfort of the users. In the central air conditioning control field, excellent real-time, high reliability, and good intelligence are proposed by many researchers. The traditional PID algorithm is, in fact, still playing a main role in the control process. The air conditioning system has becoming a field to be researched to improve the user convenience by applying intelligent system such as THERMOCOUPLE.
While the enhanced air conditioning system is being designed, the consideration of the type of control system must be included in a modeling design. In particular the controller must be able to avoid the inefficiency of having the air conditioning operate all the time. Several control options were considered at presence sensing circuit, which would turn the air conditioning off when people are not in the room with the air conditioning and a temperature sensor input, which would change the air conditioning operation depending on room temperature [1]. Based on the observation of the using the present conventional air conditioning application, it always working all the time without a systematic control. Therefore, the control of the air conditioning is adjusted through a feedback control system to monitor and maintain a constant temperature based on the data input from thesensor.

1.3                                  AIMS AND OBJECTIVE OF THE PROJECT

The main aimof this project is to build a microcontroller based temperature controlled indicator. The objectives are:

1. To monitor the temperature of a device or environment
2. To design a controller using temperature sensor.
3. To analyses the performance of thecontroller.
4. Real-time temperature is displayed on its LCD screen.

1.4                                                      SIGNIFICANCE OF THE PROJECT

With this system, one can remotely monitor system temperature and get the idea of whether temperature is constant / increasing / decreasing. Another and most important advantage is when temperature exceeds specified limit the alarm signal is available on output terminal. This can help in taking any immediate or automatic action
1.5                                            PURPOSE OF THE PROJECT
The main purpose of this work is to display the temperature of devices whose temperature keeps fluctuating and thus requires a constant watch on the device.

1.6                                                  SCOPE OF THEPROJECT

Below are the scopes of the project:

1. In this work, used a K-type thermocouple for direct measurements of up to 1000ºC temperature. In K-type thermocouple, the two materials used to form the junction are Chromel (Ni-Cr) and Alumel (Ni-Al). K-type is a low-cost and one of the most popular general-purpose thermocouples
2. Inside and outside room temperature are used in the controllerdesign.
3. The analysis controller performance in terms of automatic temperature control based on the speed of compressor of air conditioningsystem.
4. LM35 Temperature Sensor based a microcontroller based temperature controlled indicatorSystem with arduino Microcontroller and LCD Display. In this work, the device was built to display and monitor the temperature of the surrounding or any other material to which the LM35 temperature sensor is connected for its temperature measurement in degree centigrade in a 16X2 Alphanumeric LCD 

1.7                           APPLICATION OF THE PROJECT
This device can be used for temperature monitoring of appliances such as:

1. Air conditioner
2. Refrigerator
3. Fan,
4. furnace etc.

CHAPTER FIVE
5.1                                            CONCLUSION
The course of undergoing this project has disclosed numerous important things about a temperature monitoring. Ranging from its economic importance and recommendation based on the use of this temperature monitor and alarm system. Hence with the successful design and construction of this project, a more efficient way of ensuring continuous availability of temperature monitoring is provided even in the absence of the operator. This provides the possibility that is can still put on his/her appliance in the absence of the user.
From the work, we have used combination of LCD and Temperature sensor LM35 to make simple temperature monitor using Arduino. Apply temperature to LM35 sensor more than set point  it will turn on the relay (alarm). if it is less it will turn off the relay/alarm.   
5.2                                      RECOMMENDATION
This project is designed to be used in our homes and industries where the need for accurate temperature and safety is needed. And should be used and maintain by a qualified personnel.

5.3                                          BIBLIOGRAPHY

• Jennifer Viegas Mammoths roasted in prehistoric barbecue pit. MSNBC. (6 March 2009). Retrieved on 2011-11-23.
• Peter James; Nick Thorpe; I. J. Thorpe (31 October 1995). Ancient inventions. Random House Digital, Inc. pp. 302–. ISBN 978-0-345-40102-1. Retrieved 23 November 2011.
• History Of The Indus Civilization. Historyworld.net. Retrieved on 2011-11-23.
• Dales, George (1974). "Excavations at Balakot, Pakistan, 1973". Journal of Field Archaeology (Boston University) 1 (1–2): 3–22 [10].
•  Dering, Phil (1999). "Earth-Oven Plant Processing in Archaic Period Economies: An Example from a Semi-Arid Savannah in South Central North America". American Antiquity 64 (4): 659–674.
• Roper, Frances. "Chilean Baking-Oven." Antiquity Publications. Great Britain: 1937. 355–356.
• Sopoliga, Miroslav. "Oven and Hearth in Ukrainian Dwellings of Eastern Slovakia." Acta Ethnografica Academiae Scientiarium Hungaricae. Budapest: 1982. 315–355
• Silltoe, Paul. "The Earth Oven: An Alternative to the Barbecue from the Highlands of Papua New Guinea." The Anthropologists'Cook Book: 1997. 224–231.
• Roger Curtis. "Peruvian or Polynesian: The Stone-Lined Earth Oven of Easter Island." New Zealand Archaeological Association Newsletter. 22, no.3: 1979. 92–96.
• Bauhoff, Gunter. "History of Cast-Iron Oven Plate." Offa Bd. 40: 1983. 191–197.
• Bellis, Mary. "History of the Oven from Cast Iron to Electric."
• National Academy of Engineers. "Household Appliances-Cooking."
• History of electronics. The Great electronic design, 6th edition, by Norman Melchert
• Standard Reference Designations for Electrical and Electronics Parts and Equipments: IEEE 200-1975 (Reaffirmed 1988): Section 4.1.5.3 (2). IEEE and ANSI, New York, NY. 1975.
• Reference Designations for Electrical and Electronics Parts and Equipment: ASME Y14.44-2008 (Replaced IEEE 200-1975). ASME, Fairfield, NJ. 2008.
• Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters): IEEE-315-1975 (Reaffirmed 1993): Section 22. IEEE and ANSI, New York, NY. 1993.

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CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "design and construction of a microcontroller based temperature controlled indicator" is also available. Order full work to download. Chapter two of "design and construction of a microcontroller based temperature controlled indicator" consists of the literature review. In this chapter all the related work on "design and construction of a microcontroller based temperature controlled indicator" was reviewed.

CHAPTER THREE: The complete chapter three of "design and construction of a microcontroller based temperature controlled indicator" is available. Order full work to download. Chapter three of "design and construction of a microcontroller based temperature controlled indicator" consists of the methodology. In this chapter all the method used in carrying out this work was discussed.

CHAPTER FOUR: The complete chapter four of "design and construction of a microcontroller based temperature controlled indicator" is available. Order full work to download. Chapter four of "design and construction of a microcontroller based temperature controlled indicator" consists of all the test conducted during the work and the result gotten after the whole work

CHAPTER FIVE: The complete chapter five of "design and construction of a microcontroller based temperature controlled indicator" is available. Order full work to download. Chapter five of "design and construction of a microcontroller based temperature controlled indicator" consist of conclusion, recommendation and references.

 

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