Let's Make Robots!

Arduino 3D Sonar Map

Anyone created a visual 3d sonar map for the arduino yet? to get an image of a sonars surroundings and portray them in a 3d environment? i'm very interested!


Something like this

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I'm guessing this is inpired by Dark Knight and Morgan Freeman using cellphones as sonar mapping devices.. 

There are some ideas here on LMR and also a video from a chinese guy using a cheap sensor-servo-cam solution (>20US$) to map a space or even create 3D scans from people.

Are there even commerical sensors that do this? If so can you post a link?