LED Hard Drive Clock

has made an LED hard drive clock by using flashing LED's and a spinning CD with a slit in it to create patterns. He uses an LED strip from Super Bright LED's and programed the whole thing himself. The CD spins at 90 RPM which tricks the human eyes into thinking that it isn't flashing which is the reason that we see solid patterns. The thing, as you can hear from the video, is pretty loud, but later on Ian plans on building a plexiglass case to enclose the project to reduce the sound levels.