Tell us about yourself!
Will you need to be ale to have the interior fully visible? That is, does the mechanism need to be hidden? A mini arduino and stepper could almost be hidden in the ceiling/top so most viewing would not see. This code is basically two of the "intro" sketches for most arduino kits.
Perfboard Hackduino ($8 Arduino-compatible Circuit)
Jazz Line No.1
Getting A 630' Great Lakes Freighter Into The Old River Bed, Cleveland,Ohio
Transform your oyster travelcard with sugru!
FUN & usefull keychains
Make Your Own HotSock Rice Pack