In this video, the author is going to show you how to make your own solar USB charger using the following items with inbuilt battery backup.

Materials:USB female end,5V regulator, 2 diodes, Black and red wire, Altoids tin, Solar panel (greater than 9V), Switch, 9V rechargeable battery, Solder and soldering iron.

Schematic: click here

Explore Circuits and Projects Explore Videos and Tutorials

Courtesy: bluepapercanoe