Gadget taps into IoT to transform solid surfaces, like walls or tables, into interfaces

Developed by Jake Boshernitzan and Ohad Nezer of Texas-based Swan Solutions, Knocki is a wireless device that instantly transforms any surface into a remote control by associating a series of knocks with different outcomes.

Knocki’s only user-interface is your existing environment. It connects to Wi-Fi and uses algorithms and an accelerometer-based system to sense vibrational patterns. It works on wood, metal, stone, and drywall, and can be hung on the wall or left on a table and it’ll work as long as it’s within range of a Wi-Fi signal. It can be integrated with most smart devices, like Nest, IFTTT and Philips Hue smart lights, and runs on ordinary AAA batteries that only need to be replaced once every year or so.

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