It introduces how to download libraries for the LED Backpack and how to use it to display a scrolling bar graph of microphone input amplitude. This will effectively allow students to visualize sound ...

Posted in Arduino Hacks, Musical Hacks Tagged baby, bluetooth, display, led, matrix, mega, speaker ← OpenCV Never Forgets A Face The IBM PC That Broke IBM → ...

If you searching for an LED matrix for your next project or to add to an existing application you may be interested to know that the Maker LED Display is ...