Holystone HS720E - A Very Nice Quality Low Cost 4K Camera Drone
In this episode I take a look at the Holystone HS720E. In some ways it is very similar to the MJXRC Bugs 20 EIS, except the Holystone has foldable arms and props which makes it more portable.
This summer, a team of researchers, engineers and a drone pilot of TU Delft traveled to an airbase in Germany for the first real test flight of the scaled flight model of the energy-efficient...
