Pixfalcon Flight Controller

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.

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)


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


From manufacturer: Holybro or from distributor Hobbyking®

Optional hardware:

Build Instructions

make px4fmu-v2_default upload

© PX4 Dev Team. License: CC BY 4.0            Updated: 2019-04-04 08:57:23

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