HTDRONE H743-WING V3 Flight Controller for Advanced UAV Systems

Introduction

The HTDRONE H743-WING V3 is a feature-rich flight controller designed for advanced UAV systems. Powered by the robust STM32H743VIT6 processor and equipped with dual IMUs, precision sensors, and versatile connectivity options, it delivers exceptional performance and reliability for demanding applications. This flight controller is the core of your sophisticated fixed-wing drone build.

Key Advantages

• Powerful STM32H743VIT6 processor (480MHz) for demanding flight control tasks.
• Dual ICM42688 IMUs (SPI1 & SPI4) ensure flight stability and redundancy.
• Integrated AT7456E OSD for clear in-flight telemetry.
• Comprehensive connectivity with 7x Uarts, 2x I2C, 1x CAN, and 13x PWM outputs.
• High-precision current sensor (90A continuous, 220A peak) for accurate power monitoring.
• Wide input voltage range (8-36V, 3-8S LiPo) with TVS protection.
• Multiple BEC outputs (5V, 9V/12V, Vx) to power various components reliably.
• Supports ArduPilot and INAV firmware for maximum flexibility.

Technical Specifications

• MCU: STM32H743VIT6, 480MHz, 1MB RAM, 2MB Flash
• IMU: ICM42688 (SPI1) & ICM42688 (SPI4)
• Baro: Infineon DPS310 (I2C2)
• OSD: AT7456E (SPI2)
• Blackbox: microSD card slot (SDIO)
• Uarts: 7x (1,2,3,4,6,7,8) with built-in inversion
• PWM Outputs: 13x (including 'LED' pad)
• I2C: 2x
• CAN: 1x
• ADC: 6x (VBAT, Current, RSSI, Analog AirSpeed, VB2, CU2)
• LEDs: 3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator (Red)
• SPI Breakout: 1x SPI3
• USB/Beep Extender: Type-C (USB2.0)
• Camera Switch: Dual input camera switch
• Power Output: 5V/9V(12V) switchable for Camera/VTX
• Current Sensor: High precision (90A continuous, 220A peak)
• Battery Voltage Sensor: 1K:10K (Scale 1100 in INAV, BATT_VOLT_MULT 11.0 in ArduPilot)
• VB2 ADC Voltage Divider: 1K:20K
• AirSpeed ADC Voltage Divider: 20K:20K
• Static Power: 160mA@5V
• Mounting: 30.5 x 30.5 mm, Φ4 mm with Φ3 mm standoffs
• Dimensions: 54 x 36 x 13 mm
• Weight: 30g (with USB extender)
• Firmware: ArduPilot(ChiBiOS): MATEKH743, INAV: MATEKH743
• PDB Input Voltage: 8-36V (3-8S LiPo) with TVS protection
• ESC Power Pads: 2x
• Current Sensor (PDB): 220A, 3.3V ADC (Scale 150 in INAV, 66.7 A/V in ArduPilot)
• Sensor Resistor: 90A continuous, 220A peak
• BEC 5V Output: 5.15 +/- 0.1V DC, 2A continuous, 3A peak
• BEC 9V/12V Output: 2A continuous, 3A peak (12V option with jumper)
• BEC Vx Output: Adjustable voltage (5V, 6V, or 7.2V via jumper), 8A continuous, 10A peak
• BEC 3.3V Output: Linear regulator, 200mA continuous

Applications

This flight controller is perfectly suited for advanced Fixed-Wing UAVs, custom drone builds, aerial photography platforms, long-endurance mapping drones, and experimental aircraft requiring precise flight control and extensive sensor integration.

Compatibility

Supports ArduPilot and INAV firmware. Features standard 30.5x30.5mm mounting pattern. Offers versatile power outputs (5V, 9V/12V, Vx, 3.3V) and multiple communication interfaces (UART, I2C, CAN) for seamless integration with various FPV and UAV components like GPS modules, airspeed sensors, FPV cameras, VTXs, and servos.

FAQ

What is the HTDRONE H743-WING V3 flight controller best suited for?

The HTDRONE H743-WING V3 flight controller is designed for advanced Fixed-Wing UAV systems, custom drone builds, aerial photography platforms, and long-endurance mapping drones that require precise flight control and extensive sensor integration.

What firmware does the HTDRONE H743-WING V3 support?

This flight controller supports both ArduPilot (ChiBiOS firmware, compatible with MATEKH743) and INAV (MATEKH743). This provides flexibility for users to choose their preferred flight control software.

What are the key technical specifications of the HTDRONE H743-WING V3?

Key specs include the STM32H743VIT6 MCU, dual ICM42688 IMUs, an integrated AT7456E OSD, a high-precision 90A current sensor, and a wide input voltage range of 8-36V (3-8S LiPo). It also offers multiple BEC outputs.

Where can I buy the HTDRONE H743-WING V3 flight controller with fast delivery?

You can buy the HTDRONE H743-WING V3 flight controller directly from HTDRONE. We offer fast shipping within Poland and reliable delivery to Ukraine via Nova Poshta. International orders are shipped via DHL.

What is the mounting pattern and dimensions of the HTDRONE H743-WING V3?

The HTDRONE H743-WING V3 features a standard 30.5 x 30.5 mm mounting pattern with 4mm holes, suitable for most drone frames. Its dimensions are 54 x 36 x 13 mm, weighing only 30g with the USB extender.