Connect the musical element from a singing greeting card to the caps lock LED on the victims keyboard. Now each time they press the caps lock key the music plays (and quite loud too).
This is a great sleeping prank -- It might be found on the first day, or several weeks from the implementation. It's the perfect prank.Difficulty:
Easy, but involved. (ability to solder and use a multi-meter helps)Disclaimer
If you decide to do this prank, understand that it could be a career-limiting move if it is done on your boss and/or somebody without
a sense of humor. I would also recommend experimenting with a dummy keyboard that you don't mind destroying first.Why Caps?
True, most people don't use caps lock very often, if ever, but unfortunately not many other keys are linked to an LED. Also most keys are only pressed momentarily, which would require a more complicated circuit to work effectively. The num lock LED turns on and off several times during boot time, so that's out which only leaves the caps lock as a viable solution.Vote
If you like this instructable, please give it a vote.Origin of this Project
This was originally posted on on my blog (before KipKays video):http://blog.mozmonkey.com/2006/april_fools_hack/