mems microphones
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A Drone That Tracks Its Leader Using Four Microphones and an ESP32, No GPS or Camera Needed Researchers at Duke University's General Robotics Lab have built a system that lets one drone follow another using nothing but the sound of its rotors. The project, called SonicFly, estimates a leader drone's bearing and distance from onboard audio alone, without GPS sharing, cameras, radio links, or any active signal exchange between the two aircraft. … |
