Holybro Kakute H743-Wing

PX4 v1.16

WARNING

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

The Holybro Kakute H743 Wing is a fully featured flight controller specifically aimed at fixed-wing and VTOL applications. It has the STM32 H743 Processor running at 480 MHz and CAN Bus support, along with dual camera support & switch, ON/OFF Pit Switch, 5V, 6V/8V, 9V/12 BEC, and plug-and-play GPS, CAN, I2C ports.

INFO

This flight controller is manufacturer supported.

Where to Buy

The board can be bought from one of the following shops (for example):

• Holybro

Connectors and Pins

Pin	Function	PX4 default
GPS 1	USART1 and I2C1	GPS1
R2, T2	USART2 RX and TX	GPS2
R3, T3	USART3 RX and TX	TELEM1
R5, T5	USART5 RX and TX	TELEM2
R6, T6	USART6 RX and TX	RC (PPM, SBUS, etc.) input
R7, T7, RTS, CTS	UART7 RX and TX with flow control	TELEM3
R8, T8	UART8 RX and TX	Console
Buz-, Buz+	Piezo buzzer
M1 to M14	Motor signal outputs

PX4 Bootloader Update

The board comes pre-installed with Betaflight. Before the PX4 firmware can be installed, the PX4 bootloader must be flashed. Download the holybro_kakuteh7-wing.hex bootloader binary and read this page for flashing instructions.

Building Firmware

To build PX4 for this target:

make holybro_kakuteh7-wing_default

Installing PX4 Firmware

INFO

KakuteH7-wing is supported in PX4 v1.16 or newer. Prior to that release you will need to manually build and install the firmware.

Firmware can be manually installed in any of the normal ways:

• Build and upload the source:

  make holybro_kakuteh7-wing_default upload

• Load the firmware using QGroundControl. You can use either pre-built firmware or your own custom firmware.

Serial Port Mapping

UART	Device	Port	Default function
USART1	/dev/ttyS0	GPS 1	GPS1
USART2	/dev/ttyS1	R2, T2	GPS2
USART3	/dev/ttyS2	R3, T3	TELEM1
UART5	/dev/ttyS3	R5, T5	TELEM2
USART6	/dev/ttyS4	R6, (T6)	RC input
UART7	/dev/ttyS5	R7, T7, RTS, CTS	TELEM3
UART8	/dev/ttyS6	R8, T8	Console

Debug Port

System Console

UART8 RX and TX are configured for use as the System Console.