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Using Arduino to charge and monitor capacitors :: Student Project

Interested in building your own battery charger?  So is Jeremy Hemming , who has been exploring ways to create an Arduino based intelligent battery charger for his car battery and his 18V drill batteries.

This video is a demonstration of charging and monitoring capacitors using external power supply, an Arduino board and an LCD as a display.

Jeremy has been a student and contributor of the Arduino Course for Absolute Beginners since I can remember.

Jeremy would love to hear any feedback or ideas on the project.


Here is the breadboard layout that Jeremy made using Fritzing.  It may be slightly different from the video (he does not include the lightbulb below), but otherwise it should work well.

Super cap charger_OP

He also provided the code he is using:

Click Here to Download the Code


  1. Avatar Ammar sagheer on April 27, 2015 at 7:31 am

    Can you please list the components required for this project as i cannot see the image properly ..!
    it would be great if you do so…I am making this as my class project.

    • Avatar MICHAEL JAMES on April 27, 2015 at 9:24 pm

      I will ask Jeremy to post the components. Best of luck on your project!

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