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Chapter 13. Levitation Machine


When planning campaigns for world domination, the Evil Genius likes to contemplate his globe floating suspended by invisible anti-gravity forces above his desk.

Actually it’s a ping-pong ball painted to look like a globe and its suspended using something called electromagnetic levitation. Keeping the globe in place requires careful control of the current to the electromagnet, and so this project uses an Arduino interface board that is programmed from your Mac, PC or LINUX computer.

Download the Arduino code here.

Johnny P. Le has adapted this project to levitate a rose. I for one are really impressed.