If you have a Raspberry Pi connected to an LED matrix, you might think about creating a simple oscilloscope. Of course, the Pi isn’t really well-suited for that and neither is an LED matrix, so ...

A DIY wall-mounted sound visualizer plots ambient audio as a smooth waveform on an RGB LED matrix, combining a Pico-class ...

[Sam Miller], [Sahil Gupta], and [Mashrur Mohiuddin] worked together on a very fast LED matrix display for their final project in ECE 5760 at Cornell University. Real time! They started, as any good ...

We've been following the quest for the world's best speakers for some time but remarkably, there's still room for improvement. A key issue that plagues proper sound reproduction (and thus its ...