What can you do with an old hard drive other than discarding it? You could build a clock with it. We have covered a bunch of cool hard drive clocks in the past. This guide shows you how to use an old HDD to build a 3D POV Clock. The device spins a set of LEDs really fast to show you time. You will need to need a HDD, power supply, QTI sensor, and an Arduino Uno to get started:
Hot Computer Stuff
HDD Persistence of Vision Clock
mso797 has been kind enough to include the instructions and parts on Instructables.com. What do you think? How would you improve this clock?
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