Here at Hackaday we’ve covered a bunch of DIY laser diode ... never seen anything like what [Sp4rky] sent in to us. He and his friends outfitted an old educational robot arm with a laser.

In the 3D-InAus project, researchers from the Fraunhofer Institute for Communication, Information Processing and Ergonomics FKIE are using a LiDAR laser on a mobile robot, emitting laser pulses to ...