While a well-known use ... radar project is from [mircemk] who uses a small ultrasonic distance sensor attached to a rotating platform. A motor rotates it around a 180-degree field-of-view and an ...

What’s the radar enthusiast to do? While it’s not radar, subbing in ultrasonic sensors is how [Dzl] built this sonar imaging system using a lot ... and a 3D printed parabolic dish reflector ...