When you're starting out learning filmmaking, one of the first lessons you need to master is the idea of three-point lighting. Within that concept comes the idea of a rim light, which can add to ...

[Yvo] sent us his latest creation, this awesome POV RGB bicycle rim light build, which features a circular interweaving of common RGB LEDs that face outward along the rim as they display ...

That’s exactly the idea behind [Jeremy Cook]’s latest build — it’s an automatic bike light that detects vibration and lights up some LEDs in response. The build is pretty simple — a coin ...