Flashing LEDs are all well and good, but they’re even better if they can sync up with ambient sounds or music. [mircemk] has built the LUMAZOID visualizer to do just that, relying on some staple maker ...

Since its very first version, iTunes has had a visualizer, a built-in light show that you can use to play trippy animations while you listen to music. (Grateful Dead music not required.) You may not ...