Cube Flight Controller

The Cube flight controller (previously known as Pixhawk 2.1) is a flexible autopilot intended primarily for manufacturers of commercial systems. It is based on the Pixhawk-project FMUv3 open hardware design and runs PX4 on the NuttX OS.

The controller is designed to be used with a domain-specific carrier board in order to reduce the wiring, improve reliability, and ease of assembly. For example, a carrier board for a commercial inspection vehicle might include connections for a companion computer, while a carrier board for a racer could includes ESCs form the frame of the vehicle.

Cube includes vibration isolation on two of the IMU's, with a third fixed IMU as a reference / Backup.

Quick Summary

  • 32bit STM32F427 Cortex® M4 core with FPU
  • 168 MHz
  • 256 KB RAM
  • 2 MB Flash (fully accessible)
  • 32 bit STM32F103 failsafe co-processor

Purchase

Assembly

Build Firmware

make px4fmu-v3_default upload

Pinouts and Schematics

The board is documented in detailed on the The Cube Project website.

The datasheet from Hex manufacturing can be found here.

Ports

Top-Side (GPS, TELEM etc)

Cube Ports - Top (GPS, TELEM etc) and Main/AUX

Debug Ports

Cube Debug Ports

USB/SDCard Ports

Cube USB/SDCard Ports

Issues

CAN1 and CAN2 silk screen on the Pixhawk 2.1 are flipped (CAN1 is CAN2 and vice versa).

© PX4 Dev Team. License: CC BY 4.0            Updated: 2018-06-16 09:20:31

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