Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to repurpose an aluminum can, a CD, copper wire, toothpaste, lemon juice, and a ...

Discover how to build a portable DIY solar charger for your smartphone using simple materials like copper foil tape, a micro-USB cable, and hot glue. This step-by-step tutorial guides you through each ...

We see plenty of solar projects here on Hackaday, but they primarily consist of projects that use an off-the-shelf solar panel to power something else. We see very few projects where people actually ...