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Is it okay to use an aluminum alloy water bottle for the air tank?
I mean the input voltage of two PAM8403 is it possible to connect it in parallel.
You can use a 3v to 5v step up module. You can buy that on ebay.
Can i connect two(2) PAM8403 in parallel?
I want to make a powerbank the same as the one you made. But consist of 2 18650 li-ion battery with 3.7v 6800mAh each. Is it okay for the TP4056 charging module to charge the 2 18650 in parallel connection?
I saw 2 types of step up boost module. Which of this 2 modules works best? The blue one output current is 600mah only, while the red one output current rated at 1A-1.5A.
My 12v dc motor won't light eveb a single led
My 12v dc motor won't light even a single led
My 12v dc motor won't light even a small led light :(
Assuming that the wind speed is 40kph.
How many hours it takes to fully charge a cellphone from 0% to 100% using that wind generator?
One more question. Can i use other capacitor like a 2.2uF 50v and the capacitor is 10uF 25v?
Is that okay to use a 18v dc motor and use a 5v regulator?