There are a few major companies out there building colorful LED panels you can stick on your wall for aesthetic purposes.

Discover how to create a simple solar energy harvester at home using basic household items and electronic components. This step-by-step tutorial guides you through building a DIY solar power device ...

This battery-powered logging volt/ampmeter was made with the intention to easily get .CSV files filled with voltage/current/power measurements on a SD-card to plot and use this data further. It is ...