Photography by Jennifer C. Rowe
20-Watt Solar Panel
Using a few solar cells and a plastic case, you can utilize the sun’s energy to power anything from a light bulb to your entire house.
The sun is a renewable energy source that’s free and plentiful. Some people power their entire home with solar energy. A few even sell back the energy to the electricity grid for a profit.
I decided to start small and build my own solar panels to supplement my workshop power needs. Here, I’ll explain in detail how to build a 16.5-volt, 20-watt solar panel.
In the next volume of MAKE, I’ll show you how to integrate the solar panel(s) into your ...
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