We recently saw this Rotating LED Globe that was built by Csaba Bleuer. Gleb left a comment with a link to 32 LED Spinning Globe that his friend Riko built. The site is in Russian but if you use Google Translator you will be able to see that is going on. The design is interesting, power is being delivered by a rotating coil, an ATTiny is the microcontroller and the PCB was made using the iron on method.
If you are interested in having a closer look at how it works Riko provides the schematic and source code on his site.
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