One benefit of small projects is that they give people a sense of scale, and a better mental framework for thinking about energy use. Electrical power is somet

One benefit of small projects is that they give people a sense of scale, and a better mental framework for thinking about energy use. Electrical power is something we don't (usually) see or physically interact with, this project gives an idea of what a PV panel or battery that can run a tiny computer looks and feels like.