The VGA solutions include a proprietary connector cable and interface module to accomplish all audio and video transfer and a 1.5-meter USB cable for charging iPhone 5.

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One small company has already built a Speakjet chip into a synthesizer module, which lets it interface with big modular synths for major weirdness.

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There are mechanical vibrations in the system, higher than our module specification, which are causing interface and cabling issues.

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Then, that data was pushed to a tablet after placing the Droplet on the display, pulling up the same calendar appointment and providing a physical interface for adjusting the date and time, which is retained in the cloud and the module itself, which also outputs pulsing light as it counts down to the appointment time.

ENGADGET: Droplet and StackAR bring physical interface to virtual experiences, communicate through light (hands-on)