H743-WING v2 is a refreshed design of the popular H743 Wing flight controller from Matek ICM42605, some revised connectors and component layout to make the board even better than before. Best of all this flight controller can be used with Betaflight, Inav and Ardupilot.
What is new on the H743-Wing V2
- Use ICM42605 instead of ICM20602
- Moved PDB/current sensor from FC board to bottom plate.
- Moved 8A BEC from top board to bottom plate.
- JST-GH connector for CAN port instead of JST-SH connector.
- Add a JST-GH connector for I2C2, for plug and play with ASPD-4525
Resources
- Ardupilot Wiki Instructions
- H743-WING-V2_Manual (including Pinouts and Wiring Diagrams)
Specifications
FC Specifications
- MCU: STM32H743VIT6, 480MHz , 1MB RAM, 2MB Flash
- IMU: MPU6000 (SPI1) & ICM42605 (SPI4)
- Baro: Infineon DPS310 (I2C2)
- OSD: AT7456E (SPI2)
- Blackbox: MicroSD card slot (SDIO)
- 7x Uarts (1,2,3,4,6,7,8) with built-in inversion.
- 13x PWM outputs(including “LED” pad)
- 2x I2C
- 1x CAN
- 6x ADC (VBAT, Current, RSSI, Analog AirSpeed, VB2, CU2)
- 3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)
- 1x SPI3 breakout
- USB/Beep Extender with Type-C(USB2.0)
- Dual Camera Inputs switch
- 5V/9V(12V) for Camera/VTX power switch
- High-precision Current Sense (90A continuous, 220A peak)
- Battery Voltage Sensor: 1K:10K (Scale 1100 in INAV, BATT_VOLT_MULT 11.0 in ArduPilot)
- ADC VB2 voltage divider: 1K:20K
- ADC AirSpeed voltage divider: 20K:20K
- Static power 160mA@5V
FC Firmware
- ArduPilot(ChiBiOS): MATEKH743
- INAV: MATEKH743
PDB
- Input voltage range: 8~36V (3~8S LiPo) w/TVS protection
- 2x ESC power pads
- Current Senor: 220A, 3.3V ADC (Scale 150 in INAV, 66.7 A/V in ArduPilot)
- Sense resistor: 90A continuous, 220A 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, 5V Default, 6V or 7.2V via jumper
- Continuous current 8 Amps, 10A Peak
BEC 3.3V output
- Linear Regulator
- Continuous current: 200mA
Physical
- Mounting: 30.5 x 30.5mm, Φ4mm with Grommets Φ3mm
- Dimensions: 54 x 36 x 13 mm
- Weight: 30g with USB extender
Included
- 1x H743-WING
- 1x USB(Type-C)/Beep (Passive buzzer) Extender
- 1x 20cm JST-SH-6P to JST-SH-6P cable for USB extender.
- 2x 20cm JST-GH-4P to JST-GH-4P cable for CAN & I2C port
- 1x Rubycon ZLH 35V 470uF capacitor
- Dupont 2.54 pins (Board is shipped unsoldered)
Other Notes
ArduPilot
- H743-WING-V2 with ICM42605 is supported by ArduPilot 4.1 latest or newer,
- ICM42605 is defined as first IMU (IMU0) , MPU6000 is the 2nd (IMU1).
- Current sensor range is 220A on H743-WING-V2, make sure you set the BATT_AMP_PERVLT to 66.7
- It is recommended to use STM32CubeProgrammer to erase MCU and upload firmware.
- Known issue and solution, H7 will not initialize with Ardupilot firmware
INAV
- Current sensor range is 220A on H743-WING-V2, make sure you set the Current Meter Scale to 150
- IMU ICM42605 is supported by INAV3.0.2 or higher.
- MPU6000 is the first IMU(IMU0, default), ICM42605 is the 3rd IMU (IMU2) in INAV MATEKH743 target.
- If you want to try the new ICM-4 series of IMUs. download inav_3.0.2_MATEKH743.hex
- set gyro_to_use = 2
- set acc_hardware = icm42605
- save
- If you stick with MPU6000 only, H743-WING-V2 works with stable version 3.0.x downloaded from configurator also.
- Known issue, SD card and MSC mode for H743 is not implemented.
Others
- If the ESCs you are using don’t have enough capacitors integrated, low ESR electrolytic capacitor is required for reducing ESC noise.
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