This project work is on a breathalyzer circuit using 8051 microcontroller. This device outputs the blood alcohol content (BAC) from the breath. The BAC is displayed in percentage on a 3 digit seven segment display. The microcontroller used if AT89S51 which belongs to the 8051 family and the alcohol sensor is MQ135 gas sensor from Futurelec.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRCT
TABLE OF CONTENT
CHAPTER ONE
- INTRODUCTION
- OBJECTIVE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- PURPOSE OF THE PROJECT
- LIMITATION OF THE PROJECT
- APPLICATION OF THE PROJECT
- FUTURE DEVELOPMENT OF THE PROJECT
- PROJECT ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
2.0 LITERATURE REVIEW
2.1 REVIEW OF ALCOHOL SENSING
2.2 REVIEW OF ALCOHOL USAGE
2.3 FACTS ABOUT ALCOHOL IN THE FACTORY/WORKPLACE
2.4 BLOOD ALCOHOL CONTENT
2.5 REVIEW OF DIFFERENT ALCOHOL TESTING METHODS
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY3.1 BLOCK DIAGRAM OF THE SYSTEM
3.2 CIRCUIT DIAGRAM
3.3 CIRCUIT DESCRIPTION
3.4 SYSTEM OPERATION
3.5 COMPONENTS LIST
3.6 POWER SUPPLY UNIT
CHAPTER FOUR
4.0 RESULT ANALYSIS4.1 CONSTRUCTION PROCEDURE AND TESTING
4.2 ASSEMBLING OF SECTIONS
4.3 CONSRUCTION OF THE CASING
4.4 TESTING
CHAPTER FIVE
- CONCLUSIONS
- RECOMMENDATION
5.3 REFERENCES
RELATED TOPICS/MATERIAL
1). DESIGN AND CONSTRUCTION OF AN ALCOHOL DETECTION WITH VEHICLE CONTROLLING SYSTEM
2). DESIGN AND CONSTRUCTION OF AN ALCOHOL BREATHALYZER CIRCUIT USING 8051 MICROCONTROLLER (AT89S51)
3). DESIGN AND CONSTRUCTION OF AN ALCOHOL DETECTOR AND ENGINE CUT OFF DEVICE
4). DESIGN AND CONSTRUCTION OF AN ALCOHOL SENSING DISPLAY WITH ALARM
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