Today we are going to see how we can make a homemade USB solar charger that we can use to charge our smartphone, for example. Inexpensively, you can have free power for your gadgets for a long time.
There are many ecological chargers on the market but I recommend that you make your own because it will bring you added value, knowledge of its manufacture and operation. We are also taking advantage of solar energy, one of the cleanest sources of electricity generation.
For this, we are sharing two video tutorials so that you can choose the one that best suits your needs.
Second video tutorial: