Car battery level monitor indicates the status of the battery just by glowing LED’s. This work explains you how to design battery level indicator. You can use this circuit to check car battery or inverter. So by using this circuit, we can increase the lifetime of battery. The heart of this battery level indicator circuit is LM3914 IC. This IC takes input analog voltage and drives 10 LED’s linearly according to the input analog voltage. In this circuit there is no need of resistors in series with led’s because current is regulated by the IC. This device is designed to monitor 10V to 12V DC. The circuit will work even if the battery voltage is 3V. The operating voltage of this IC is 3v to 25v DC. Lm3914 drives led’s, LCDs and vacuum fluorescents. The IC contains adjustable reference and accurate 10-steps divider. This IC can also acts as sequencer.
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 SIGNIFICANCE OF THE STUDY
1.5 APPLICATION OF THE PROJECT
1.6 BASIC ADVANTAGES OF LED LIGHT IN THE PROJECT
1.7 LIMITATION OF THE STUDY
1.8 SCOPE OF THE PROJECT
1.9 ADVANTAGES OF THE PROJECT
1.10 METHODOLOGY
1.11 PROJECT ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
2.1 CHARGING AND DISCHARGING OF BATTERIES
2.2 REVIEW OF RECHARGEABLE BATTERY
2.3 REVIEW OF DIFFERENT TYPES OF RECHARGEABLE BATTERY
2.4 REVIEW OF RELATED WORKS
CHAPTER THREE
METHODOLOGY
3.1 SYSTEM BLOCK DIAGRAM
3.2 BATTERY LEVEL INDICATOR CIRCUIT SCHEMATIC
3.3 CIRCUIT OPERATION
3.4 SYSTEM SET UP T BATTERY STATUS INDICATOR CIRCUIT
3.5 DESCRIPTION OF MAJOR COMPONENTS
CHAPTER FOUR
TEST AND RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE AND TESTING
4.2 CASING AND PACKAGING
4.3 ASSEMBLING OF SECTIONS
CHAPTER FIVE
5.1 CONCLUSION
5.2 RECOMMENDATION
5.3 REFERENCES
Design And Construction Of A Car Battery Monitoring System. (n.d.). UniTopics. https://www.unitopics.com/project/material/design-and-construction-of-a-car-battery-monitoring-system/
“Design And Construction Of A Car Battery Monitoring System.” UniTopics, https://www.unitopics.com/project/material/design-and-construction-of-a-car-battery-monitoring-system/. Accessed 21 November 2024.
“Design And Construction Of A Car Battery Monitoring System.” UniTopics, Accessed November 21, 2024. https://www.unitopics.com/project/material/design-and-construction-of-a-car-battery-monitoring-system/
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