A wailing alarm is a loud electronics device that produces sound similar to police siren. Siren is used to get other road users or drivers on the road out of their way. This project is on wailing alarm sound that sound effects like the siren of an ambulance or police car which features low-pitched tones alternately. This project will be comprised of the oscillator circuits of two set. Using IC-555 timer IC are main both unit. The first oscillator serve determine time period in changing a high-low sound tone, provide the proper frequencies about 0.5-1 Hertz. Then, second oscillator set the wailing alarm sound, before out to a speaker.
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.1 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
1.2 PROBLEM STATEMENT
1.3 OBJECTIVE OF THE STUDY
1.4 PURPOSE OF THE PROJECT
1.5 SIGNIFICANCE OF THE PROJECT
1.6 THE EFFECTS OF WAILING ALARM
1.7 SCOPE OF THE PROJECT
1.8 APPLICATION OF THE PROJECT
1.9 METHODOLOGY
1.10 PROJECT ORGANISATION
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 OVERVIEW OF THE PROJECT
2.2 ASTABLE MULTIVIBRATOR USING 555 TIMER
2.3 DESCRIPTION OF 555 TIMER IC
2.4 HISTORICAL BACKGROUND OF 555 TIMERS
CHAPTER THREE
3.0 METHODOLOGY
3.1 SYSTEM BLOCK DIAGRAM
3.2 SYSTEM DESCRIPTION
3.3 SYSTEM SCHEMATIC DIAGRAM
3.4 SYSTEM OPERATION
3.5 PARTS LIST
3.6 DESCRIPTION OF MAJOR COMPONENTS USED
CHAPTER FOUR
4.0 TEST AND RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE AND TESTING ANALYSIS
4.2 CASING AND PACKAGING
4.3 ASSEMBLING OF SECTIONS
4.4 TESTING OF SYSTEM OPERATION
4.5 INSTALLATION OF THE COMPLETED DESIGN
4.6 COST ANALYSIS
CHAPTER FIVE
5.1 CONCLUSION
5.2 RECOMMENDATION
5.3 REFERENCES
Design and Construction of A Wailing Alarm. (n.d.). UniTopics. https://www.unitopics.com/project/material/design-and-construction-a-wailing-alarm/
“Design and Construction of A Wailing Alarm.” UniTopics, https://www.unitopics.com/project/material/design-and-construction-a-wailing-alarm/. Accessed 19 September 2024.
“Design and Construction of A Wailing Alarm.” UniTopics, Accessed September 19, 2024. https://www.unitopics.com/project/material/design-and-construction-a-wailing-alarm/
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