Holybro Kakute H743 Wing User manual

SKU11063
Kakute H743 Wing Manual v1.0
Overview
The Holybro KAKUTE H743 Wing flight controller makes it easy to build your drone. The KAKUTE H743
Wing’s layout makes it easy to wire up the other components of the drone while keeping the build neat
and tidy.
Features
•Supports INAV and Ardupilot.
•High-Presision / low-noise IMU. ICM-42688-P with 6-axis gyro and accelerometer.
•Ready for autonomous flight: Integrated BMP280 barometer and SCL/SDA for use with external
GPS/magnetometer units.
•Dedicated bootloader button for easy firmware flashing.
•Low-profile design fits into even very compact frames.
•3 On-board regulators output 5V, 6V and 9V.
•On-board voltage and current sensor
•On-board VTX power switch.
FC Specifications
•MCU: STM32H743VIT6, 480MHz , 1MB RAM, 2MB Flash
•IMU: ICM-42688P on SPI3
•Baro: BMP280 on I2C4
•OSD: AT7456E on SPI2
•Blackbox: MicroSD card slot on SDMMC2
•7x Uarts (1,2,3,5,6,7,8) with built-in inversion.
•14x PWM outputs

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•3x I2C (I2C1 and I2C2 for external devices, I2C4 for onboard sensors)
•1x CAN
•5x ADC (Battery1/Current1,Battery2/Current2 and RSSI)
•3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Green)
•USB/DFU Key Extender with Type-C(USB2.0)
•Dual Camera Inputs switch
•5V/9V(12V) for Camera/VTX power switch
•High-precision Current Sense (70A continuous, 120A peak)
•Battery Voltage Sensor: 1.5K:25.5K (Scale 1800 in INAV, BATT_VOLT_MULT 18.18in ArduPilot)
•Static power 160mA@5V
FC Firmware
•ArduPilot(ChiBiOS): KAKUTEH7-WING
•INAV: KAKUTEH7-WING
PDB
•Input voltage range: 10~36V (3~8S LiPo)
•1x ESC power pads
•Current Senor: 120A, 3.3V ADC (Scale 275 in INAV, 36.36 A/V in ArduPilot)
•Sense resistor: 70A continuous, 120A peak.
BEC 5V output
•Designed for Flight controller, Receiver, OSD, Camera, Buzzer, 2812 LED_Strip, Buzzer, GPS
module, AirSpeed
•Output 5.15 +/- 0.1V DC
•Continuous current 2 Amps, 3A Peak
BEC 9V /12V output
•Designed for Video Transmitter, Camera, Gimbal ect.
•Continuous current 2 Amps, 3A Peak
•12V option with Jumper pad
BEC Vx output
•Designed for Servos
•Voltage adjustable, 6V Default, 8V option with Jumper pad
•Continuous current 6 Amps, 8A Peak
BEC 3.3V output
•Linear Regulator
•Continuous current: 200mA
Physical
•Mounting: 25 x 25mm, M2 hole
•Dimensions: 45x 30 x 13.5 mm
•Weight: 28g with USB extender

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Pinout Diagram
FC Board
❶---------->❻❶---->❹
Pin Function
9V
Video transmitter positive voltage
(9V/2A)
Vx
Servo 6v power output(6A Max)
5v
5v output (2A max)
3v3
3.3v output (0.25A max)
IO1/IO2
PINIO1 and PINIO2
Vbat2
Battery2 Voltage Sense input
(10~36V)
Curr2
Battery2 Current Sense input
(0~3.3V)
Vo
Video output to video transmitter
CAM1/CAM2
Video input from FPV camera1/2
G or GND
Ground
RSI
Analog RSSI (0-3.3v) input from
receiver
R2, T2
UART2 RX and TX
R3, T3
UART3 RX and TX
R5, T5
UART5 RX and TX
R6, T6
UART6 RX and TX
R7, T7
UART7 RX and TX
CTS, RTS
CTS, RTS for UART7
R8, T8
UART8 RX and TX
Buz+/Buz-
Piezo buzzer positive/negative leg
M1~M14
PWM1~PWM14 signal outputs
CAN Port (4Pin JST-GH)
Pin
Pin name
Function
1
5V
+5V voltage output (1A Max)
2
H
CAN1_H
3
L
CAN1_L
4
Gnd
Ground
I2C Port (4Pin JST-GH)
Pin
Pin name
Function
1
5V
+5V voltage output (1A Max)
2
SCL
I2C2_SCL
3
SDA
I2C2_SDA
4
Gnd
Ground
Top of board
❶
----->
❹

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GPS Port (6Pin JST-GH)
Pin
Pin name
Function
1
5V
+5V voltage output
(1A Max)
2
TXD
UART1_TXD
3
RXD
UART1_RXD
4
SCL
I2C1_SCL
5
SDA
I2C1_SDA
6
Gnd
Ground
USB Port (6Pin JST-SH)
Pin
Pin name
Function
1
3v3
3.3v output (0.25A max)
2
Boot
DFU Boot signal input
3
VBUS
5V USB VBUS input
4
D-
USB data-
5
D+
USB data+
6
Gnd
Ground
Bottom of Board

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Power Board
USB Extend Board
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©Copyright 2022 Holybro. All Rights Reserved.
Pin
Function
BAT-IN
Conncet to Battery positive
BAT-OUT
Connect to ESC positive
GND
Ground
Servo Power jumper
Open Servo power=6V(Default)
Short Servo power=8V
VTX Power jumper
Open VTX power=9V(Default)
Short VTX power=12V