Spectrum - Music Visualizer is a mobile app that shows you psychedelic images according to the sound and plays them on the screen of your device. The app is easy to use. Once installed you simply open ...

A spectrum visualizer is always a fun project, but we really liked [Yannick99]’s take on it since it uses seven IN-13 Nixie tubes for the display. The tubes, of course, need high voltage so part of ...

A spectrum analyzer is a great way to create exciting visuals that pulse in time with music. [pyrograf] wanted a big one as a display piece, so set about whipping up something of their very own. An ...