2018-07-12 Update: DIY Solar USB Charger
When you are outdoors, what if your mobile phone or MP3 just needs to be charged? Come to make a solar charger, no matter where you are, the sun will always rise.Step 1 Materials preparationFor solar panels, I used 2 pieces (3V).5V pressure regulator USB female connectorInsulated wireElectric soldering iron Epoxy or hot meltAfter the components are ready, you need to check the front and back side of the USB cable and pressure regulator. The regulator guarantees an output of 5V.I need to make 5 t...
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