A flight controller (FC) is a small circuit board of varying complexity. Its function is to direct the RPM of each motor in response to input. A command from the pilot for the multi-rotor to move forward is fed into the flight controller, which determines how to manipulate the motors accordingly.
Pixhawk 4 flight controller
N3 flight controller, is tailor-made for a multitude of hobbyist and industrial applications. Its robust flight control algorithm is ideal for controlling a broad range of industrial and DIY multirotor aircraft, providing professional stability. The N3 flight controller is compatible with professional remote controllers and receivers, DJI’s Intelligent ESC, DJI GO, Lightbridge 2, iOSD. It also integrates seamlessly with DJI’s Zenmuse series of gimbals and cameras, providing instant access to a whole host of flight applications.
The A3 Pro is equipped with three IMUs and three GNSS units, with additional analytical redundancies for a total of six redundancies. Working together with advanced diagnostic algorithms, if the A3 Pro detects GNSS or IMU unit failure during flight, it seamlessly switches to another unit to maintain reliability and precision.
Pixhawk 4 is the latest update to the successful family of Pixhawk flight controllers. It was optimized to run the full Dronecode stack, and comes pre-installed with the latest PX4 firmware. It features the latest advanced processor technology from STMicroelectronics, sensor technology from Bosch and InvenSense, and a NuttX real-time operating system, delivering incredible performance, flexibility, and reliability for controlling any autonomous vehicle.
Main FMU Processor: STM32F765, 32 Bit Arm Cortex-M7, 216MHz, 2MB memory, 512KB RAM
Pixhawk 4 mini is based on the Pixhawk FMUv5 design standard and is optimized to run PX4 flight control software.The Pixhawk 4 Mini autopilot is designed for engineers and hobbyists who are looking to tap into the power of Pixhawk 4 but are working with smaller drones. Pixhawk 4 Mini takes the FMU processor and memory resources from the Pixhawk 4 while eliminating normally unused interfaces. This allows the Pixhawk 4 Mini to be small enough to fit in a 250mm racer drone. The Pixhawk 4 Mini is easy to install; 2.54mm (0.1in) pitch connector makes it easier to connect the 8 PWM outputs to commercially available ESCs.
FMU Processor: STM32F765, 32 Bit Arm Cortex-M7, 216MHz, 2MB memory, 512KB RAM