Meet Margaret: a mannequin head with sound localization that relies on a Microsoft Kinect and servo to turn in the direction of people talking near her. This is a DIY project by rldial. To complete this project, you are going to need a Raspberry Pi, an analog servo strong enough to turn the head, a 5V wall charger, and a few other simple components.
More gadgets like this: here
You can find the instructions for this project here.
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