[Garrett] over at MaceTech was approached by a friend who needed a light-up ... sound-responsive LED mohawk. He had all sorts of LEDs and other bits on hand, but finding the fiber optics that ...

For that, you’ll want to follow [elliotmade]’s lead and incorporate fiber optics into your LED matrix ... length of flexible 1.5-mm acrylic light pipe material; the other end plugs into ...

saving both time and energy in fiber-optic communication. A University of Michigan-led research team demonstrated an ...