mysoltrk tracks the sun to get the most out of a small solar panel. [Fulvio] built the tracker to be solid, low cost, and sturdy enough to survive outdoors, which is quite a tall order.

If you're a diehard DIYer, you might think that assembling individual solar cells to make a solar panel is a fairly easy ...

[Mark] also built solar tracking abilities into each of the two arrays, allowing the solar panels to automatically rotate around the trailer and bike to more efficiently capture sunlight than a ...