[David] hand soldered a Blinky ball… and you can too!

This is a blinky ball that [David] designed, built, and programmed himself. Does it look familiar? It should, he took his inspiration from the original prototype, and the Hackerspace-produced derivative. [David's] version is not as small, or as blinky, but in our minds the development process is the real reason for building something like this. He took a great idea and figured out how he could pull it off while pushing his skill set, staying within his time and budget constraints.

The project is powered by an Arduino nano which resides in the core of the ball. [David] used protoboard sourced locally for each of the slices, soldering green LEDs along the curved edges, and added shift registers to drive them. The ball is driven by a LiPo battery which can power it for about 45 minutes. You can see the animation designs he coded in the clip after the break.

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Nodeblinky, rechargeable and full of blink


Over 2500 unique patterns and up to 25 hours of winky blinky fun, that’s what you get with Nodeblinky. This contraption was designed by the Image Node crew as a learning platform and a way to raise money for their upcoming Burning Man display.

The kit measures 4″ square and has 28 LEDs spread across its surface. An AVR ATmega168, rechargeable 9 volt battery, and two LED drivers power it. One section of their site states that it has over 2500 unique patterns, while another area says 5000 combinations of patterns. Either way, its pretty trippy as you can see in the video above. There are 4 brightness levels as well as 4 running modes to keep you amused. The kit can be purchased for $40 or the assembled unit for $80. They do freely give out all the details though, so if you really felt like building one yourself, you probably could.

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