3D room mapping with sonar

My final project for the Arduno microcontroller class is this 3D room mapping thing. It still needs some work but here’s basically what it looks like. An ultrasonic distance sensor is mounted on a servo (which is mounted on another servo), and records the distance of objects located at various angles. Two angles and a distance from the center make up a spherical coordinate system, and those coordinates can be plotted.

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