Here’s a challenge for you: stuff over a dozen red lasers and a rechargeable lithium ion battery inside a tennis ball. Oh, and also a microcontroller and infrared port to control patterns from afar. To make your own, the author has constructed a high quality tutorial so you can build your own party ball. You’ll need a soldering iron, a Dremel/rotary tool, wire cutters, and a few other craft items.
The friend of a performer created this optical light display of 256 LEDs that can be programmed to create some fascinating displays. The ball has 16 panels, which are not only the circuit boards, but the structural support of the ball as well. The central brain is provided by an Arduino powered by two AA batteries. For more information, see the full project details (the site may be temporarily down).
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