Ultrasonic energy is widely used to sense the presence of nearby objects and even determine their distance if needed, as well ...
Abstract: In this letter, we proposed an ultrasonic sensor-based resolution tunable displacement measurement system by using an extension spring. In the proposed method, a linear extension spring is ...
Flying a drone manually requires constant attention to throttle control. One moment of distraction and your drone either crashes into the ground or flies away into the ceiling. If you're building your ...
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