2S 7.4V Lithium Battery Monitor Board for Car, 8.4V/12V

Description

What it is

Battery monitor board 2S 7.4V for car 8.4V/12V, suitable for monitoring and protecting lithium batteries used in vehicles.

Features

• Compatible with 2S 7.4V batteries
• Output for car 8.4V/12V
• SKU: ARD0012122
• Price: 2.62 €

What it is for

Allows you to monitor the charge level of a lithium battery in a car. Useful for those who want a quick and easy battery charge level check. It can be used to create a simple battery dashboard with a 16×2 LCD display and the battery monitor board.

Tutorial: How to use Battery Monitor Board 2S 7.4V for Car 8.4V/12V

This battery monitor keeps track of the charge level of your car battery. Useful for anyone who wants a quick and easy check.

What you need

• Battery Monitor Board 2S 7.4V for Car 8.4V/12V
• Arduino or compatible microcontroller
• 5V power supply cable
• 10kΩ resistor (check the datasheet)

Steps

1. 1. Connect the 5V cable to the Arduino.
2. 2. Connect the 10kΩ resistor between the indicator board and GND.
3. 3. Connect the indicator board to the VCC of the microcontroller.
4. 4. Connect the mass pins of the indicator board to GND.
5. 5. Connect the mass pins of the battery to GND.
6. 6. Connect the mass pin of the indicator board to the mass of the battery.
7. 7. Load the provided Arduino code.
8. 8. Verify that the indicator works correctly.

Example code

void loop() {}

Mini project

Create a simple battery dashboard with a 16×2 LCD display and the indicator board.

Common mistakes

• Do not connect the mass pins correctly.
• Use a resistor other than 10kΩ.
• Do not verify the compatibility of the microcontroller.
• Do not connect the indicator board correctly.

Recommended accessories

• 16×2 LCD Display
• 5V power supply cable
• 10kΩ resistor
• Arduino Uno

Frequently asked questions

How can I verify the compatibility of the microcontroller?
Check the power supply voltage of the microcontroller and ensure it is between 8.4V and 12V.

Is the 10kΩ resistor required?
It is not required, but recommended to protect the microcontroller.

Can I use this board with different batteries?
Yes, but check the voltage of your battery.

Does the provided code work with all boards?
The provided code is a minimal example. Check if the code works with your board.