Alexa Cloaking Device: Using Walabot for Special Effects

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Walabot 3D spacial data is a fascinating source for SFX. To illustrate, Alexa is cloaked by physically re-configuring its radar signature. Cloaking devices are a mainstay of science fiction. In the Star Trek spaceships such as Klingon and Romulan warbirds become invisible to the full electromagnetic spectrum causing all sorts of headaches for the Captain Kirk and the rest of the federation. This project creates the special effect of cloaking the Alexa Echo, well at least to the Walobot radar, by physically manipulating the environment under Alexa voice control. The default mode of the Walabot mode is to work as a differential sensor. This means that during a calibration step it captures the current environment and sets it as the reference. After calibration only the differences are reported. So to cloak a device we first calibrate the scene with the device in a certain location. Then when the device is moved it generates a detectable radar signature which is visualized in the radar. If the device is then moved back into it's original position it becomes hidden in the calibrated background scene. Voila! the device disappears from radar and it appears cloaked. To make it work we need to be able to move and restore the device position in a repeatable way. To achieve this a servo was used to rotate an Alexa Echo in position. Because of the sensitivity of the Walabot even the difference of the location of the USB cable is enough to generate a detectable difference. Walabot enables interesting spacial data to be easily accessed by developers. Generating physical based special effects by controlling motion of objects in the Walabot field of view provides unique visualisation possibilities beyond that might be easily algorithmically generated. In this project the data was visualised as a radar sweep but it's easy to imagine extending this to other visualisation platforms such as the HoloLens to create sophisticated special effects which have value as content in their own right. Use Cutting Edge Technology In Your IoT Project: https://bit.ly/2BrSOsr Our programmable sensor with 3D imaging technology can be used to develop a wide range of programs such as object tracking, breathing monitoring, in wall imaging, and many more. Walabot works using Raspberry Pi 3, Linux and Windows, & provides cutting-edge technology for Radio Frequency (RF) tridimensional (3D) sensing and image processing, enabling sophisticated applications such as: -Breathing monitoring -Object tracking -Fall detection -Location Tracking Product features: Spatial sensing abilities Tracker API (including 3D target) Imaging API Range measurement & motion Detection capabilities High 3D resolution 15 antenna array Bare board Several sample applications are provided, and Walabot's flexible API enables you to create your own applications to access Walabot as a peripheral. With Walabot connected via USB and the Walabot SDK installed, your custom application can use Walabot's API to receive various types of processed and unprocessed images. The application can then use image data as needed, including performing additional processing such as tracking changes between images to identify movement. Walabot API: https://api.walabot.com/ Walabot sample code: https://api.walabot.com/_sample.html Walabot SDK: https://walabot.com/getting-started (For Linux, windows and raspberry pi) Get it Now: https://bit.ly/2BrSOsr