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Arduino display in lcd the battery level, battery charging ,beep when lowbat and full charge from a external 12v supply Answered

Please Help how to do this. arduino display the battery level, battery charging ,beep when lowbat and full charge in lcd from a external 12v supply

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Downunder35m

11 days ago

By buying y simple battery monitor instead.
Your question suggests that you don't know any of the details required for this project.
If you still want to go the Arduino route then start in the Arduino Playgroun - they offer lots of code examples with detailed informations.
Should be possible to just copy and paste what you need, modify it accordingly and off you go.