Pixhawk 4 - Advanced Flight Controller

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Pixhawk ® 4 is the latest update to the successful family of Pixhawk flight controllers. It... more
Product information "Pixhawk 4 - Advanced Flight Controller"

Pixhawk ® 4 is the latest update to the successful family of Pixhawk flight controllers. It is designed and developed in collaboration with Holybro and the PX4 team, optimized to run the full Dronecode stack and comes preinstalled with the latest PX4 firmware (v1.7).

It features the currently most advanced processor technology from ST Microelectronics ® , sensor technology from Bosch ® , InvenSense ® and a NuttX real-time operating system, delivering incredible performance, flexibility, and reliability for controlling any autonomous vehicle.

The Pixwhawk 4’s microcontroller now has a 2 MB flash memory and 512KB RAM. With the increased power and RAM resources, developers can be more productive and efficient with their development work. More complex algorithms and models can be implemented on the autopilot.

High-performance, low-noise IMUs on board are designed for stabilization applications. Data-ready signals from all sensors are routed to separate interrupt and timer capture pins on the autopilot,permitting precise time-stamping of sensor data. Newly designed vibration isolations enables more accurate readings, allowing vehicles to reach better overall flight performances.

The two external SPI buses and six associated chip select lines allow to add additional sensors and SPI-interfaced payload. There are total of four I2C buses, two dedicated for external use and two grouped with serial ports for GPS/Compass modules.

The Pixhawk 4 autopilot development kit is perfect for developers at corporate research labs,startups, and for academics (research, professors, students).



- A new and small form factor

- More computing power and 2X the RAM than previous versions

- New sensors with higher temperature stability

- Integrated vibrations isolation

- Increased ease-of-use: pre-installed with most recent PX4 (v1.7)

- Additional ports for better integration and expansion


Technical details

Dimensions 84mm x44mm x12mm
Weight G.W 15.8g
Battery Exclude
Technical specifications  
Main FMU Processor STM32F765 (32 Bit Arm® Cortex®-M7, 216MHz, 2MB memory, 512KB RAM)
IO Processor STM32F100(32 Bit Arm® Cortex®-M3, 24MHz, 8KB SRAM)
On-board sensors Accel/Gyro: ICM-20689, Accel/Gyro: BMI055, Mag: IST8310, Barometer: MS5611
GPS ublox Neo-M8N GPS/GLONASS receiver; integrated magnetometer IST8310
  8-16 PWM servo outputs (8 from IO, 8 from FMU)
  3 dedicated PWM/Capture inputs on FMU
  Dedicated R/C input for CPPM
  Dedicated R/C input for Spektrum / DSM and S.Bus with analog / PWM RSSI input
  Dedicated S.Bus servo output
  5 general purpose serial ports(2 with full flow control, 1 with separate 1.5A current limit)
  3 I2C ports
  1 internal high speed SPI sensor bus with 4 chip selects and 6 DRDYs
  1 internal low noise SPI bus dedicated for Barometer with 2 chip selects, no DRDYs
  1 internal SPI bus dedicated for FRAM, Supports dedicated SPI calibration EEPROM located on sensor module
  1 external SPI buses
  Up to 2 CANBuses for dual CAN with serial ESC
  Analog inputs for voltage / current of 2 batteries
  2 additional analog inputs
Power module output 4.9~5.5V
Max input voltage 6V
Max current sensing 120A
USB Power Input 4.75~5.25V
Servo Rail Input 0~36V
Operating temp -40~85°C
Storage temp -40~85°C
Certificates CE, FCC,RoHS compliant (lead-free)

Part List

Pixhawk4 1
Pixhawk4 GPS MODULE 1
Pixhawk 4 Power Management Board 1
I2C splitter Board 1
6 to 6 pin cable (power) 3
4 to 4 pin cable (CAN) 2
6 to 4 pin cable (Data) 1
10 to 10 pin cable (PWM) 2
8 to 8 pin cable(AUX) 1
PPM/SBUS out cable 1
XSR receiver cable 1
DSMX receiver cable 1
SBUS receiver cable 1
USB cable 1
X'type folding pedestal mount 1
70mm & 140mm carbon rod stand off 2
6*3 2.54mm pitch Horizontal Pin 1
8*3 2.54mm pitch Horizontal Pin 1
Foam Set 1
Pixhawk4 Quick Start Guide 1
GPS Quick Start Guide 1
Power Management Board Quick Start Guide 1
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