Meet the Sweep V1: a 360-degree laser scanner for detecting and avoiding obstacles. It allows your robot to understand its surroundings when on land or in the air. It can be used to detect the quantity and location of people within a space.
This kit can be used to teach 3D mapping to your students. It is compatible with Arduino, Raspberry Pi, and other platforms. Sweep has a range of 40 meters with a sample rate of 1000samples/sec.