Elektor Magazine

Waveform Visualizer Turns Room Noise Into Wall Art

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

FPGA Powers Blazingly Fast LED Matrix Audio Visualizer

[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 ...
Hackaday

Using An LED Cube As An Audio Visualizer

[Isaac] sent in his mashup build of a LED cube combined with a graphic EQ meter. The build is fairly simple and from the video we can tell that his build would be a great installation in a dubstep ...
EDN

How-to design LED signage and LED matrix displays, Part 3

Part 1 of this three-part series introduced the technical and engineering steps necessary to design an LED display system from individual LED lamps. Part 2 provided the remaining steps needed to ...
EDN

How-to design LED signage and LED matrix displays, Part 2

LED signage and matrix displays are an integral part of the 21st century landscape. Their quality is becoming so good that it’s becoming increasingly difficult to distinguish LED images from ...