SoloGood H743-WING V3 Flight Controller User Manual

1. Product Overview

The SoloGood H743-WING V3 Flight Controller is an advanced control unit designed for RC FPV Airplanes. This updated V3 version features enhanced components and capabilities for superior flight performance and configurability. It supports both Betaflight and INAV configurators, offering flexibility for various flight applications.

Image: The H743-WING V3 Flight Controller board connected to its USB/Beep extender.

2. What's in the Box

Upon opening your SoloGood H743-WING V3 Flight Controller package, you should find the following components:

• 1x H743-WING V3 Flight Controller Board
• 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 cables for CAN & I2C port
• 1x Rubycon ZLH 35V 470uF capacitor
• Dupont 2.54 pins (Board is shipped unsoldered)

3. Technical Specifications

The H743-WING V3 Flight Controller boasts the following technical specifications:

Image: A visual representation of the H743-WING V3 Flight Controller with its key specifications highlighted.

4. Setup and Installation

Proper installation is crucial for the optimal performance of your H743-WING V3 Flight Controller. Please follow these guidelines carefully:

4.1. Physical Mounting

The flight controller is designed for 30.5 x 30.5mm mounting patterns. Use the provided grommets to ensure proper vibration isolation and secure fitting. The board dimensions are 54 x 36 x 13 mm.

Image: Various angles of the H743-WING V3 Flight Controller, showing its compact design and connection points.

4.2. Wiring Diagram

Refer to the detailed wiring diagrams for connecting your ESCs, motors, receivers, GPS, VTX, camera, and other peripherals. Ensure all connections are secure and correctly polarized to prevent damage.

Image: Comprehensive wiring diagram illustrating connections for ESCs, battery, receiver, GPS, and other components to the H743-WING V3 Flight Controller.

Image: Detailed layout diagram of the H743-WING V3 Flight Controller, indicating pin assignments, component locations, and power distribution.

4.3. Power Supply

The FC supports an input voltage range of 8~36V (3~8S LiPo) with TVS protection. Ensure your power source is stable and within this range. The BEC Vx output is designed for servos, adjustable to 5V (default), 6V, or 7.2V via jumper, with a continuous current of 8 Amps (10A Peak).

5. Firmware and Configuration

The H743-WING V3 Flight Controller supports both ArduPilot and INAV firmware. It is crucial to use the correct firmware version for your specific V3 board.

5.1. Firmware Versions

The V3 (Blue PCB) version uses ICM42688-P (1st) and ICM42605 (2nd) IMUs. For ArduPilot, use "plane 4.2.0 or newer" firmware. For INAV, use INAV 5.0 or newer. Older INAV versions like INAV4.1 are not supported for the V3. Always download firmware from the official Matek website.

Image: A table detailing compatible IMUs and recommended firmware versions for H743-WING V1, V2, and V3 boards for both ArduPilot and INAV.

5.2. Current Sensor Calibration

For accurate current sensing, calibrate the sensor in your chosen flight controller software:

• ArduPilot: Set BATT_AMP_PERVLT to 66.7. Ensure INS_ENABLE_MASK is set to 7 or default 127.
• INAV: Set the Current Meter Scale to 150.

5.3. Firmware Upload

It is recommended to use STM32CubeProgrammer to erase the MCU and upload firmware. Connect the USB/Beep Extender to the FC and your computer. Hold the BOOT button on the extender while connecting to enter DFU mode for firmware flashing.

6. Maintenance

To ensure the longevity and reliable operation of your flight controller, consider the following maintenance practices:

• Regular Inspection: Periodically check all solder joints and connections for signs of wear, corrosion, or damage.
• Cleanliness: Keep the board free from dust, dirt, and moisture. Use compressed air or a soft brush for cleaning. Avoid using liquid cleaners directly on components.
• Capacitors: If your ESCs do not have enough integrated capacitors, a low ESR electrolytic capacitor (like the included Rubycon ZLH 35V 470uF) is required to reduce ESC noise and protect the flight controller.
• Storage: Store the flight controller in a dry, anti-static environment when not in use.

7. Troubleshooting

If you encounter issues with your H743-WING V3 Flight Controller, consider these common troubleshooting steps:

• No Power/No Lights: Verify battery connection and voltage. Check for short circuits. Ensure the USB extender is properly connected if powering via USB.
• Connection Issues (PC): Ensure correct drivers are installed. Try a different USB port or cable. Confirm the FC is in DFU mode if attempting firmware flash.
• Sensor Malfunction: Check for physical damage to IMUs or barometer. Ensure firmware is compatible with the V3 board's specific IMU.
• Unstable Flight: Review your PID tuning settings in Betaflight/INAV. Check for excessive vibrations and ensure the FC is properly soft-mounted. Verify motor and ESC connections.
• Current Sensor Inaccuracy: Re-calibrate the current sensor according to the firmware-specific instructions in Section 5.2.

For persistent issues, consult online forums, community resources, or the official Matek-RC support channels.

8. Warranty and Support

SoloGood products are manufactured to high standards. For specific warranty information, please refer to the documentation provided with your purchase or contact SoloGood customer support directly. Keep your proof of purchase for any warranty claims.

For technical assistance, firmware updates, and additional resources, please visit the official Matek-RC website or the SoloGood brand store on Amazon:

• SoloGood Amazon Store: Visit Store