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CONSTRUCTION AND DESIGN OF BATTERY LEVEL INDICATOR CIRCUIT
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- Contributor: mr-chris
- engagements: 53
- Case No: 285981ip
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ABSRACT - [ Total Page(s): 1 ]Technology on batteries has advanced over the years as a result of the need to power portable devices that have risen in numbers in the last decade. Just like primary cells, rechargeable batteries work in the same way, only their chemical reactions are reversible. This project aimed at building a system that would indicate the capacity level of a Nickel Metal Hydride battery upon charging and discharging. The Nickel Metal Hydride battery was selected in this project due to its preference among consumers. However, since the principle behind the rechargeable battery technology is similar, the sy
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CHAPTER ONE - [ Total Page(s): 1 ]CHAPTER ONEINTRODUCTION1.1 PROJECT OVERVIEWBattery level indicator is a circuit that is used to check the battery life. We can easily recognize the battery level with the help of LED’s. It uses a LM3914 driver IC use to drive 10 leds by passing through it sufficient amount of current. Brightness of leds are controlled by reference adjustable pin and reference out pin. A variable resistor is also deployed in the circuit to have variable input voltage at pin 5 of the driver IC. Since the driver IC has two modes of operation which is bar graph mode and dot mode, it enables ... Continue Reading
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ABSRACT - [ Total Page(s): 1 ]Technology on batteries has advanced over the years as a result of the need to power portable devices that have risen in numbers in the last decade. Just like primary cells, rechargeable batteries work in the same way, only their chemical reactions are reversible. This project aimed at building a system that would indicate the capacity level of a Nickel Metal Hydride battery upon charging and discharging. The Nickel Metal Hydride battery was selected in this project due to its preference among consumers. However, since the principle behind the rechargeable battery technology is similar, the sy
... Continue Reading
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