Usb Solar
Usb Solar
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US $.01
Help with solar cells and circuits?
I just saw an interesting video on how to make a solar powered USB charger (http://www.metacafe.com/watch/800000/solar_powered_usb_charger_cheap_and_easy_to_make/) and decided to do it because I thought it was a great idea. But when I tried it, nothing happened. I made the connection mentioned in the video [positive to positive and negative to negative, and two bridges of] negative to positive (though not the man added the second bridge). I have to add a voltage regulator, or to all connections from positive to negative instead of the same connections of the same? Any ideas on what went wrong and how to fix? Thanks! I appreciate it.
Does the test with a meter? Or to charge a phone or something? If the meter reads zero, then it's wiring. If your phone does not load, you need to ensure that the thing is totally out of power. If no charge, solar cells can not push enough juice to power in the battery. Most chargers use a diode to ensure strength can only go from charger to EQT and not vice versa. Then there is the possibility of overloading the TEQ and ruin the battery and even the TEQ. In the video, you will notice that he got rid of the board that regulates power and protects the rechargeable battery. There is a reason why those things are there. I recommend watching more videos on this subject. There must be those settings will give a better more reliable. Or at least a second perspective in the wiring to provide additional insight. Good luck!