Elgato are known for releasing excellent gear aimed at live streamers and content creators. Now they’ve gone one step further, or even maybe one step too far? As they are offering their own rgb led ...

When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an ...

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...