University of Wyoming

Sound Amplitude Scrolling Color Matrix

This module utilizes an Adafruit Bicolor LED Square Pixel Matrix with I2C Backpack and an Adafruit Microphone. It introduces how to download libraries for the LED Backpack and how to use it to display ...
Hackaday

LED music visualizer

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 ...
EDN

Using LED matrix horizontally

LEDs offer a convenient way to electronically display information. Although the seven-segment LED display, arranged in the form of the digit 8, is common, it does not allow the display of some ...
EDN

Arduino 8×8 LED Matrix

8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8×8 LED Matrix module have many applications in real life, such as ...