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Almost exactly one year after the first PX4 announcement, we would like to introduce our newest member of the family, Pixhawk! For those familiar with the existing PX4 electronics, it is the all-in-one board combining PX4FMU + PX4IO, combined with a processor and sensor update and a number of new features. The current board revisions will however remain in full service and active development and are fully compatible. Pixhawk is designed for improved ease of use and reliability while offering unprecedented safety features compared to existing solutions.

Pixhawk is designed by the PX4 open hardware project and manufactured by 3D Robotics. It features the latest processor and sensor technology from ST Microelectronics which delivers incredible performance and reliability at low price points.

The flexible PX4 middleware running on the NuttX Real-Time Operating System brings multithreading and the convenience of a Unix / Linux like programming environment to the open source autopilot domain, while the custom PX4 driver layer ensures tight timing. These facilities and additional headroom on RAM and flash will allow Pixhawk the addition of completely new functionalities like programmatic scripting of autopilot operations.

The PX4 project offers its own complete flight control stack, and projects such as APM:Copter and APM:Plane have ported their software to run as flight control applications. This allows existing APM users to seamlessly transition to the new Pixhawk hardware and lowers the barriers to entry for new users to participate in the exciting world of autonomous vehicles.

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.

Features

  • 32 bit ARM Cortex M4 Processor running NuttX RTOS

  • 14 PWM / Servo outputs (8 with failsafe and manual override, 6 auxiliary,

    high-power compatible)

  • Abundant connectivity options for additional peripherals (UART, I2C, CAN)

  • Integrated backup system for in-flight recovery and manual override with

    dedicated processor and stand-alone power supply

  • Backup system integrates mixing, providing consistent autopilot and manual

    override mixing modes

  • Redundant power supply inputs and automatic failover

  • External safety switch

  • Multicolor LED main visual indicator

  • High-power, multi-tone piezo audio indicator

  • microSD card for long-time high-rate logging

Specifications
  • 32bit STM32F427 Cortex M4 core with FPU

  • 168 MHz

  • 256 KB RAM

  • 2 MB Flash

  • 32 bit STM32F103 failsafe co-processor

  • ST Micro L3GD20H 16 bit gyroscope

  • ST Micro LSM303D 14 bit accelerometer / magnetometer

  • MEAS MS5611 barometer

Interfaces
  • 5x UART (serial ports), one high-power capable, 2x with HW flow control

  • 2xCAN

  • Spektrum DSM / DSM2 / DSM-X® Satellite compatible input

  • Futaba S.BUS® compatible input and output

  • PPM sum signal

  • RSSI (PWM or voltage) input

  • I2C®

  • SPI

  • 3.3 and 6.6V ADC inputs

  • External microUSB port

Power System and Protection

  • Ideal diode controller with automatic failover

  • Servo rail high-power (up to 10V) and high-current ready (10A +)

  • All peripheral outputs over-current protected, all inputs ESD protected

  • Monitoring of system and servo rails, over current status monitoring of peripherals

Dimensions

  • Weight: 38g (1.31oz)

  • Width: 50mm (1.96")

  • Thickness: 15.5mm (.613")

  • Length: 81.5mm (3.21") 

Availability

This announcement is a service to our users and developers to allow them to plan their hardware roadmaps in time, and to show what we're currently working on. The board will not be immediately available, but 3D Robotics is taking pre-orders for Pixhawk now, and will begin shipping in late October [Update 11/11: the current expected ship date is late Nov]. The price is $199.99.

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Comments

  • Hi guys would it be possible to get a wind speed sensor (not air speed)  attached to pix hawk . i guess some code would have to be written to make it work .. something like this unit attached photo..3701711906?profile=original

  • ok alan,i will try that..am a bit noobie  wen comes to this :)

  • On the RC PPM input. The SBUS connector is SBus output as I understand it.

  • Chris:

    Thanks for the feedback. I will be ordering one myself when I see shipping within a Week. I am also anxious for a good compliment of spares as I KNOW, I will need them :).

  • Hi Jerome
    The only thing I can think of you need to set p Pixhawk needs to be set to S-bus once that's done everything should just work
  • There is different mode for S-BUS by combination of receiver and transmitter. So, it is not simple issue that mine is work etc. Here is some compatibility list.

    3701680233?profile=originalIn general, you may not use s-bus with telemetry feature.

  • hi alan...yes i do try it first and it works on a servo..is there is any  setting for the transmitter for the sbus to work?on my screen its showing "multi"..or should i try more sbus rx?maybe mine is busted?

  • I'm using Taranis
    No problem with S-Bus and Pixhawk here.
    Are you sure your tx is bound to your rx?
    I usually plug a servo into my rx and eagle a stick just to make sure.
  • hi to all,,have a big problem here,Am using a Futaba transmitter(14channel) and a SBus reciever for Pixhawk..everything is OK but only one thing not working my SBus...any SBUs rx compatible for this pixhawk??i supply the power from the power module but it seems my sbus rx is not recieving any power from the pixhawk..and if   i put extra battery for the sbus rx  to work,well its powering up but the pixhawk is not reading any inputs..any suggestion pls..do i need a new TX compatible for pixhawk?BTW the ppm converter is still Backorder..

  • 3D Robotics

    Ian. There's no delay--many hundreds have gone out to pre-order customers and they're now shipping out about 50 a day. Current orders are shipping within a week and that should be 1-2 days by the end of week. 

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