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Solar Powered USB Charger

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This is my do-something-and-report-on it project for BBE 2201 at the University of Minnesota.

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32 Comments on "Solar Powered USB Charger"

  1. Great. Thanks. I'm going to make one of these now but a bit smaller to fit in an Altoids tin.

  2. Jaultaub says:

    it probably take weeks to charge a phone this way

  3. what do you do to the extra wires in the female port?

  4. I just started building mine.. cant wait to see how it works.. thanks to this video..

  5. is not well shows the number

  6. I have a solar tablet or want to try

  7. It serves me 7805

  8. how much is the regulator

  9. is an otg cable a female usb connector?? can i cut and use it?

  10. thanks for this video please where do I get the parts and how do you solder the cell and were does the diode connect to. thanks ben

  11. I am currently studying in college and my project is a solar charger which is very similar to yours and I was wondering if you could help me out?

  12. Kamlesh Jogi says:

    i am make this solar charger……6v solar panel….output come 4.70v…..i am charge my smartphone …charge light is on….but…charging % is not increase…..?

  13. thank you actully works!!! :)

  14. Hi codnerz, i made this solar charge exactly the same as you, but it isnt working. I posted a video on my channel. So i was wondering if you can check it out and see what is wrong thanks

  15. Sean Graham says:

    can i use any blocking diode? please reply asap :)

  16. alex burg says:

    worked fine thanks mate was very helpful made one just like yours added a charging board to

  17. Ghazaal P says:

    dear adam i made the same but when i plug my cellphone the light of charging turns on but it doesn't charge the phone and after 2 minuets the cellphone also loosing the charge! what is the problem?? 

  18. great video . as a useful tipes i would say use charging board to prevent battery overcharge

  19. Awesome Bent says:

    Well done, but I'd recommend you add a charging board to, you know, keep the battery from exploding from overcharge :)

  20. what kind did u use?any kind of diode?

  21. Also I found a solar panel with :300ma and regulator with 150ma only so will those work?

  22. May u please send a circuit diagram to my email sunchicken411@gmail.com if u can because I'm not too sure where the diode goes, thanks

  23. Prence says:

    Question, I have a 24volt solar cell and it puts out anywhere between 15-24 volts in sunlight. So my question is, will the 5 volt voltage regulator work with an input up to 24 volts? I would like to use the solar cell I have now, so I need to know if the 5 volt regulator will be enough to step down the voltage and work, or will I need something else. I don't plan on using it to charge a battery pack, just to charge my devices.

  24. Great video! now I have a way to run my raspberrypi on all the time without pulling in all the time. :)

  25. Cool. This is the simplest circuit I've ever seen for this kind of thing.

  26. John Corado says:

    It didn't work for me :,(

  27. Hey Adam great project, I have the same setup but for some reason it does not charge my phone even thought the charge indicator shows that it is charging it actually drops the percentage down I've must have watched your video like 5 times and pausing in few places to make sure its hooked up the same way i have a Motorola cliq android phone it has 1390mah 3.7v any ideas? I'd really appreciate it.

  28. Joaquin77 says:

    Thanks! I need to build one for emergencies 🙂

  29. Awesome. is there a way to hook this up to some batteries to store the energy?

  30. orbstats says:

    EXCELLENT! Presentation. Thank you for sharing your knowledge in a simple format for all to understand. It will be one of my fun projects to do now. I am going ALL solar for my home. All the best! -orbstats

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