Most flight controllers feature sensors which include gyroscopes and accelerometers, though much more advanced alternatives also occur with a barometer and magnetometer, even though also performing like a central hub for other peripherals for example GPS. Most publications use “drone” because the very easily recognizable phrase for an unmanned plane, https://torreyk111pwj4.blogunteer.com/27651787/the-best-side-of-power-generator-combine-items-bg3