You know what Radars are, right? I bet that most of you did not know that the word itself is, in fact, an acronym: Radio Wave Detection and Ranging.
Radio waves are electromagnetic radiation. This means, one can use the radar principle with other forms of electromagnetic radiation, like laser light.
Can you guess what Lidar stands for? It is such an absurdly nerdy thought that one may use the technique to build an instrument.
Humans can be awesome!
This year, [Blecky’s] Hackaday Prize Entry is an air guitar which uses multiple LiDAR sensors to create the virtual strings. What’s also neat is that he’s using his own LiDAR sensor, the MappyDot Plus, an enhanced version of his 2017 Prize Entry, the MappyDot. He uses a very clever arrangement of six sensors to get four virtual strings. Each…