Got some old hard drives? You can make a cool clock with the HDD parts. Using one ATMEGA128 and some RGB Leds, you are ready to make a cool HDDClock.
Author Page:
http://www.elektroda.pl/rtvforum/viewtopic.php?p=6984995
Source codes & Schematics:
http://mb.forall.pl/hddclock/
