Taking a look at the modern quadcopter, its come a long way. The traditional remote controllers are becoming increasingly less popular as programmed commands become a trend. Home-made quadcopter are usually made of 3D printed parts- cheap, light and functional. Although they work just fine light weight aluminium compositions tend to be far more efficient.
This particular quadcopter depends solely on a Raspberry Pi as it’s ‘brain’, while Raspberry Pis are better than micro-controllers in terms of storing information they cannot match up to pre-factory programmed scripts.
Here is an example of the Raspberry Powered Quadcopter
The main objective of using Raspberry Pi as the intel core is to allow more complicated commands to take place using python. Raspberry Pi performs all the usual duties of an official quadcopter but allows easier customisation to change it’s flight patter and controls.
Quadcopters generally use two pairs of identical fixed pitched propellers; two clockwise (CW) and two counter-clockwise (CCW). These use independent variation of the speed of each rotor to achieve control. By changing the speed of each rotor it is possible to specifically generate a desired total thrust; to locate for the centre of thrust both laterally and longitudinally; and to create a desired total torque, or turning force.
Because of this Python is a very suitable programming language controlling all 4 propellers with minimum difficulty.
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