Cube Orange Flight Controller

The Cube Orange flight controller is a flexible autopilot intended primarily for manufacturers of commercial systems.

Cube Orange

The manufacturer Cube Docs contain detailed information, including an overview of the Differences between Cube Colours.

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 for the frame of the vehicle.

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

This flight controller is manufacturer supported.

Key Features

  • 32bit STM32H743ZI (32bit ARM Cortex M7, 400 MHz, Flash 2MB, RAM 1MB).
  • 32 bit STM32F103 failsafe co-processor
  • 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 (fixed-wing use)
  • Backup system integrates mixing, providing consistent autopilot and manual override mixing modes (fixed wing use)
  • 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 high-rate logging over extended periods of time

Where to Buy

Assembly

Cube Wiring Quickstart

Specifications

  • Processor:
    • STM32H743ZI (32bit ARM Cortex M7)
    • 400 MHz
    • 1 MB RAM
    • 2 MB Flash (fully accessible)
  • Failsafe co-processor:
    • STM32F103 (32bit ARM Cortex-M3)
    • 24 MHz
    • 8 KB SRAM
  • Sensors: (all connected via SPI)
    • Accelerometer: (3) ICM20948, ICM20649, ICM20602
    • Gyroscope: (3) ICM20948, ICM20649, ICM20602
    • Compass: (1) ICM20948
    • Barometric Pressure Sensor: (2) MS5611
  • Operating Conditions:
    • Operating Temp: -10C to 55C
    • IP rating/Waterproofing: Not waterproof
    • Servo rail input voltage: 3.3V / 5V
    • USB port input:
      • Voltage: 4V - 5.7V
      • Rated current: 250 mA
    • POWER:
      • Input voltage: 4.1V - 5.7V
      • Rated input current: 2.5A
      • Rated input/output power: 14W
  • Dimensions:
    • Cube: 38.25mm x 38.25mm x 22.3mm
    • Carrier: 94.5mm x 44.3mm x 17.3mm
  • Interfaces
    • IO Ports: 14 PWM servo outputs (8 from IO, 6 from FMU)
    • 5x UART (serial ports), one high-power capable, 2x with HW flow control
    • 2x CAN (one with internal 3.3V transceiver, one on expansion connector)
    • R/C inputs:
      • Spektrum DSM / DSM2 / DSM-X® Satellite compatible input
      • Futaba S.BUS® compatible input and output
      • PPM-SUM signal input
    • RSSI (PWM or voltage) input
    • I2C
    • SPI
    • 3.3v ADC input
    • Internal microUSB port and external microUSB port extension

Pinouts and Schematics

Board schematics and other documentation can be found here: The Cube Project.

Ports

Top-Side (GPS, TELEM etc)

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

Serial Port Mapping

UART Device Port
USART1 /dev/ttyS0
USART2 /dev/ttyS1 TELEM1 (flow control)
USART3 /dev/ttyS2 TELEM2 (flow control)
UART4 /dev/ttyS3 GPS1
USART6 /dev/ttyS4 PX4IO
UART7 /dev/ttyS5 CONSOLE
UART8 /dev/ttyS6 GPS2

Debug Ports

Cube Debug Ports

USB/SDCard Ports

Cube USB/SDCard Ports

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 cubepilot_cubeorange

Issues

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

Further Information/Documentation

© PX4 Dev Team. License: CC BY 4.0            Updated: 2020-08-05 07:12:24

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