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Pixhawk 3 Pro Autopilot

Pixhawk 3 Pro is an advanced autopilot system designed by Drotek and PX4. It features advanced processor and sensor technology from ST Microelectronics® and a NuttX real-time operating system, delivering incredible performance, flexibility, and reliability for controlling any autonomous vehicle.

The benefits of the Pixhawk 3 Pro system include integrated multithreading, a Unix/Linux-like programming environment, completely new autopilot functions such as Lua scripting of missions and flight behavior, and a custom PX4 driver layer ensuring tight timing across all processes. These advanced capabilities ensure that there are no limitations to your autonomous vehicle. .

The flagship Pixhawk module will be accompanied by new peripheral options, including a digital airspeed sensor, support for an external multi-color LED indicator and an external magnetometer. All peripherals are automatically detected and configured.

The Pixhawk 3 Pro is the most powerful smart autopilot of the new FMUv4 generation. It has new sensors to improve the stability and accuracy.

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Package includes:

• Pixhawk 3 Pro (PX4 firmware).

• 12pins, 10pins, 2x 6pins, 2x4pins JST-GH cables.

FMUv4-PRO takes input from all of the Pixhawk stakeholders; end users, developers, researchers and manufacturing partners. Goals for this iteration of the platform are:

• An integrated, single-board flight controller for space constrained applications.

• A modular multi-board flight controller for professional applications

• Sufficient I/O for most applications without expansion.

• Improved ease-of-use.

• Improved sensor performance.

• Improved microcontroller resources (384 KB RAM, 2 MB flash).

• Increased reliability and reduced integration complexity.

• Reduced BoM and manufacturing costs.

Key design points:

• All-in-one design with integrated FMU and optional IO and lots of I/O ports.

• Improved manufacturability, designed for simpler mounting and case design.

• Separate power supplies for FMU and IO (see power architecture section).

• Onboard battery backup for FMU and IO SRAM / RTC.

• Integration with two standard power bricks.

Technology upgrades:

• Microcontroller upgrade to STM32F469; flash increases from 1MiB to 2MiB, RAM increases from 256KiB to 384KiB, more peripheral ports.

• ICM-20602, MPU9K integrated gyro / accelerometer / magnetometers.

• LIS3MDL compass (HMC5983 is now obsolete).

• Sensors connected via two SPI buses (one high rate and one low-noise bus).

• Two I2C buses.

• Two CAN buses.

• Voltage / battery readings from two power modules.

• FrSky Inverter.

• JST GH user-friendly connectors.

I/O ports:
• 6-14 PWM servo outputs (8 from IO, 6 from FMU).

• R/C inputs for CPPM, Spektrum / DSM and S.Bus.

• Analog / PWM RSSI input.

• S.Bus servo output.

• 6 general purpose serial ports, 2 with full flow control, 1 with separate 1A current limit, 1 with FrSky protocol inverter.

• Two I2C ports.

• Two external SPI ports (unbuffered, for short cables only).

• Two CAN Bus interfaces.

• Analog inputs for voltage / current of two batteries.

• On-ground usage piezo buzzer driver.

• Sensor upgrade connector scheme.

• High-power RGB LED.

• Safety switch / LED.

More information: