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Battery Level Plus HD

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2017-04-21 18:08:39

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Battery Level Plus HD

Introduction

Today we will make a battery power monitoring system. He can detect the power of two lithium batteries. We use the Adeept Proto Shield R3 Board to make it. So that we can easily use it to detect Arduino power supply. Does not take the Arduino UNO R3 IO port. Looks very good.


Components

- 1 * Adeept UNO R3 Board(Arduino UNO R3 Board)

- 1 * Adeept Proto Shield R3 Board

- 4 * Resistance(10KΩ)

- 1 * Resistance(2KΩ)

- 1 * Resistance(27KΩ)

- 1 * Resistance(36KΩ)

- 3* Resistance(3KΩ)

- 1 * Resistance(33KΩ)

- 2 * Resistance(18KΩ)

- 4 * LED

- 1 * Wires

- 1 * TL431

- 1 * LM324

- 2 * 18650 Battery

- 1 * Electric iron


Schematic diagram


After welding the picture

Circuit test

Electricity full grid(about:Vin>7.6V):

After a period of time, the power dropped to three cells(about:7.6V>Vin>7.1V).

After a period of time, the power dropped to two cells(about:7.1V>Vin>6.5V).

After a period of time, the power dropped to one cells(about:6.5V>Vin>6V).

After a period of time, the power dropped to zero cells(about:Vin<6V).


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