Pixfalcon Flight Controller (Discontinued)

PX4 does not manufacture this (or any) autopilot. Contact the manufacturer for hardware support or compliance issues.

This flight controller has been discontinued and is no longer commercially available.

The Pixfalcon autopilot (designed by Holybro®) is binary-compatible (FMUv2) derivative of the Pixhawk 1 design that has been optimized for space-constrained applications such as FPV racers. It has less IO to allow for the reduction in size.

Pixfalcon hero image

Quick Summary

  • Main System-on-Chip: STM32F427
    • CPU: 180 MHz ARM® Cortex® M4 with single-precision FPU
    • RAM: 256 KB SRAM (L1)
  • Failsafe System-on-Chip: STM32F100
    • CPU: 24 MHz ARM Cortex M3
    • RAM: 8 KB SRAM
  • GPS: U-Blox® M8 (bundled)

Connectivity

  • 1x I2C
  • 2x UART (one for Telemetry / OSD, no flow control)
  • 8x PWM with manual override
  • S.BUS / PPM input

Availability:

From distributor Hobbyking®

Optional hardware:

Building Firmware

Most users will not need to build this firmware! It is pre-built and automatically installed by QGroundControl when appropriate hardware is connected.

To build PX4 for this target:

make px4_fmu-v2_default

Debug Port

This board does not have a debug port (i.e it does not have a port for accessing the System Console or the SWD interface (JTAG).

Developers will need to solder wires to the board test pads for SWD, and to the STM32F4 (IC) TX and RX to get a console.

Serial Port Mapping

UART Device Port
UART1 /dev/ttyS0 IO Debug
USART2 /dev/ttyS1 TELEM1 (No flow control)
UART4 /dev/ttyS2 GPS
© PX4 Dev Team. License: CC BY 4.0            Updated: 2020-10-26 18:55:47

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