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Sun Tracking Solar Panel w/ Arduino


I had some little solar panels laying around and wanted to see if they would power the Arduino. They did. So, I wanted to see if I could make a sun tracking circuit to autonomously follow the sun throughout the day. So I did. Here is the result. If you wanna try it, you can download at: code.google.com ... The code is not perfect or commented. Enjoy

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25 Comments

  1. ChiGTP says:

    Sweet I was the 100th vote! Thumbs up all the way. Great video Thank you.

  2. georgeflacker says:

    Fantastic! That is so cool. Thanks for the upload

  3. fragm3nted says:

    You should put all the wires and circuitry on the solar panel part, and flip the servo so the main part of the motor is on the board, with the little end (end that spins) downwards. That way it can turn 180 degrees and wont tangle xD

  4. FlyMario2 says:

    I purchased this chip that might be pretty cool for this project. A PIC 12F683. Has A/D converter as well. Should Practically be able to do this with little effort. Your design works fine. Just Think thats a neat little chip.

  5. ossumguywill says:

    @FlyMario2 lol, you’re right. However, he would need a boost converter as the solar panel might only generate a few volts. But hey, a micro with none of the pins outputting only sucks a few µA.

  6. FlyMario2 says:

    @ossumguywill Thinking about it, I am sure the ambient light as the sun starts to rise would probably bring the circuit alive enough to bring it around to the sun.

  7. davidharryprosser says:

    This is pretty cool, it does go directly to the sun. i kinda think using an arduino for this is a little excessive as it could be done simply with other components but yeah it still pretty awesome!

  8. ossumguywill says:

    @FlyMario2 with a battery. You don’t need much energy to turn a servo ~180 degrees. I bet the arduino only sucks a few µA if you were to stop using the ADCs or something. Maybe you could cut off the ground supply to all sensors with another digital pin or something, and then just wait a certain number of hours to turn back on again.

  9. el3basi says:

    wooooow

  10. luwe1 says:

    My response to the question about night time would be that this was a proof of concept. I think improvements would be required to make it a usable system. If this was to be useful you would use it to charge a battery or put the system to sleep when the light drops below a certain threshold. Use your imagination… that’s the beauty of creating things…

  11. FlyMario2 says:

    Nice. Question, if you were to leave this out over night it should stop working when the sun goes down for lack of power. How would it wake up in the morning and start seeking again?

  12. luwe1 says:

    Check the link in the description. You can download it all there.

  13. regiszimmer says:

    Hey Luwe; I would like to have the diagram and arduino ketch for this project. Could you please post it?

  14. eltunene says:

    Very nice setup! I am starting my solar power system using old car parts, and the sensor has only five parts, including the relay! Please take a look at my system.

  15. anupamvipul233 says:

    sir u r great but please post a video on how to the electric circuit of it

  16. timgames says:

    Make it calculate the time with the sun :P

  17. dpdevil1 says:

    Very nice setup, Thanks for sharing keep them cumming,,, Nice program never herd of this till now Thanks agin

  18. fronkenpoop says:

    Excellent build. Great work.

  19. cipher69 says:

    Very nice work, and thank you for the vid.

  20. EasternCalifornia says:

    NICE JOB!!!

  21. xzx1234567 says:

    Super cool thing!

  22. YouMockMe says:

    Thats pretty damn cool. Cheers.

  23. razorflown2 says:

    the internet!

  24. VisionQuest2012 says:

    Where can we buy these or where are the instructions to make?

  25. PonThePony says:

    Why not make the arduino sleep for 60 seconds inbetween each correction? that way you could pretty much eliminate the power usage of the controller + servo, and still collect the vast majority of power?