This project implements a rotating ultrasonic distance scanner using an Arduino, an HC-SR04 ultrasonic sensor, and an SG90 servo motor. Distance readings are transmitted over serial and visualized in ...
A LiDAR-inspired 3D spatial mapping system built from scratch using an ultrasonic sensor, custom pan-tilt mechanism, and Python-based point cloud visualization — at a fraction of LiDAR cost. 3D ...
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