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Build Like A Pyro!
Find many of the parts used on this site at our favorite online electronics shop
Take Me To The Gadgetory!
DIY Gyroscope Messenger

Posted May 13, 2012 by Chris

“The basic ingredients are a big felt pen, large enough to host some batteries, a bunch of old CDs forming the flying wheel, an embedded ATmega microcontroller, 8 small SMD LEDs, and some wires. Glue about four CDs together and mount them on the felt pen as shown in the figure.”

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