• Figure 11 ). Figure 9. Motor. Figure 10.
  • Figure 8.   Propellers. 9




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    Figure 8.
     
    Propellers.


    9
    Drone Technologies and Applications
    DOI: http://dx.doi.org/10.5772/intechopen.1001987
    3.5 Flight control cards
    This part, which provides the necessary controls by interpreting the signals from 
    various cards, sensors, and receivers, is the drone’s brain. The flight control card is a 
    circuit board that enables the UAV to move through the sensor information it receives. 
    Sensors are just like a nervous system and are essential for boarding cards. It converts 
    received signals into action for setting speed and direction, activating the camera, 
    and executing other commands. By combining many sensors such as the gyroscope, 
    magnetometer, and accelerometer with GPS, flight control CPUs can use data about 
    the UAV’s status, speed, position, and direction to guide the vehicle’s flight and opera-
    tion according to parameters. These operations are guided by the settings determined 
    by the user before the flight. Other sensors also enable the autopilot to avoid obstacles 
    and collisions while operating. Autonomous UAVs, on the other hand, can perform all 
    flight plans, including VTOL or runway takeoffs, in-flight maneuvers, and landing, 
    according to defined parameters (
    Figure 11
    ).
    Figure 9.
     
    Motor.
    Figure 10.
     
    Power supply.


    Drones – Various Applications
    10
    3.6 Power distribution board
    PDB (Power Distribution Board), mounted on the Drone; the circuit board 
    organizes the power connections of batteries, ESCs, and other onboard systems. It is 
    unnecessary for all drones but helps create a neat and organized drone (
    Figure 12
    ). 
    In particular, it is responsible for power distribution from the flight battery to each 
    electronic speed controller for the drone control board. In some cases, the PDB is also 
    used to power components such as the camera, LED taillights, and flight controller.

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