I've got a new flat with a large, high-ceilinged and somewhat echo-y living space. It's about 10 meters (30 feet) long and maybe 6 meters (18-20 feet) wide. I have two rafters running across the space ...

If you're looking for a DIY project to get you started with simple electronics, or you just want some fun speakers for your den or basement that flash in time with the music you play, this project is ...