Phone-controlled light display is simple and fun


[Ytai Ben-Tsvi] wrote in to share a little holiday project that he and friend [Al Linke] put together, a dynamic light display that takes its cues from his Android-powered smartphone.

The display fits in a vase that sits in [Ytai’s] family room, and while it wasn’t exactly cheap to build, it sure looks nice. The vase is full of feathery decorative bits which help hide an addressable RGB LED strip. The lights are controlled by an IOIO board which the pair tucked away inside the vase as well.

The IOIO board was also fitted with a USB Bluetooth dongle, allowing it to communicate with just about any handset running a relatively recent flavor of the Android OS. When connected, the phone samples its surroundings with the onboard camera, commanding the vase to mix the colors seen by the phone into its twinkling display.

As you can see in the video below it works pretty well when used with solid, brightly colored objects. While just a fun toy in its current form, [Ytai] and [Al] have more than a few ideas on how to expand its usability.

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