If you are planning to fly a drone, you must first understand how it is controlled. For an object that seems heavier-than-air to get airborne, there is a need to create “lift.” The latter is basically a force that helps in pushing an object upward into thin air. The way it is created, however, varies greatly by the air pressure both above and below an unmanned aerial vehicle. This is where a drone controller becomes so much important. Regardless of your drone’s features, it will not work without this device.