Simple LiDAR Using the Laser Rangefinder Uni-T UT390b, Arduino and Turbo Pascal: Hello! Some days ago I bought a laser rangefinder (Uni-T UT390b, f.e. http://www.dx.com/de/p/uni-t-ut390b-45m-laser-dist...) to realise a simple LiDAR. The rangefinder has an accuracy of +/- 2mm and is able to measure distances up to 45m. This wil…