Manekinen from Poland send in some of his interesting projects. If you are wanting to play a great computer prank on someone this Automatic Caps Lock Circuit is sure to fit the bill. It automatically "presses" the caps lock button ever now and then! I can just imagine the frustration it would cause in your typical office. I probably hit the caps lock button 3 or 4 times a day by accident, I would think the user would just think they are having an exceptionally bad day for hitting the button. 🙂 It is based on this circuit by Macetech which has an English description.
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Wouldn’t it be much easier to do this in Software?