iFlight BLITZ Wing H743 Fixed-Wing Flight Controller – STM32H743, INAV & Ardupilot Compatible, Dual Camera, 8 UART, 6A Servo BEC

Overview

The iFlight BLITZ Wing H743 Flight Controller is a high-performance fixed-wing FC built around the STM32H743 MCU, offering seamless compatibility with both INAV and Ardupilot firmware. Designed for serious fixed-wing UAV pilots, it features dual analog camera input, onboard current sensing, a MicroSD card slot, and robust BEC output options for powering servos, VTXs, and the flight system. Whether you're building a long-range cruiser or a precision aerial platform, the BLITZ Wing H743 provides the stability and processing power required for advanced missions.

🔧 Changelog (Jan 14, 2025): Barometer updated from DPS310 to SPA06-001.

Features

• Up to 5 groups of ESC power supply soldering pads

• Dual analog camera input, switchable via RC

• Independent 6A servo BEC (adjustable 5V/7.4V/8.4V) for reliable servo power

• STM32H743 MCU for advanced performance and control

• Onboard MicroSD slot for data logging

• Integrated current meter for real-time current monitoring

• Supports external airspeed sensor

• Optimized pad layout with soldering flexibility

FC Specifications

• MCU: STM32H743

• Gyro: ICM42688P

• Baro: SPA06-001

• OSD: AT7456E

• BlackBox: MicroSD card

• UARTS: 8

• Smartaudio / IRC Tramp VTX protocol supported

• WS2812ledStrip: Yes

• Beeper pad: Yes

• Switchable dual camera inputs

• Switchable 5V/7.4V/8.4V outputs

• 7-36V DC IN (2-8S)

• Mount pattern: 30.5*30.5mm/φ4

• Dimensions: 36.9*52mm

• Weight: 35g

• INAV Firmware: IFLIGHT_BLITZ_H7_WING

• Ardupilot Firmware: BlitzWingH743

• BEC: 5V 2.5A / 9V 2.5A / 5-8.4V 6A

• PDB current resistance: 100A continuous, 160A peak (10 seconds)

• Power (continuous): 33.6V*100A＝3360W

• Power (peak): 33.6V*160A=5376W

• Current measurement range: 0-176A

Wiring Suggestion

• UART1 for VTX HD/Analog

• UART2 for Receiver

• UART4 for GPS

• UART2、UART5、UART6、UART7 for free

• 5V 3A BEC for FC

• 9V 3A BEC for VTX

• 5-8.4V 6A BEC for Servo

Recommended Matching Components

To ensure optimal performance with the BLITZ Wing H743 FC, we recommend the following parts:

• 🔋 ESC: [iFlight BLITZ E80 Single ESC] – Capable of handling up to 80A continuous, ideal for large fixed-wing builds

• ⚙️ Motor: [XING2 4120 Wing Motor] – High-torque, long-range motor designed for endurance and power in mid- to large-size aircraft

Packing List

• 1 × iFlight BLITZ Wing H743 Flight Controller

• 1 × Set of silicone grommets