JHEMCU GF30H743 H743 Flight Controller 3-6S OSD BEC Barometer Blackbox

The JHEMCU GF30H743 is a high-performance 30×30 flight controller built around the STM32H743 processor, designed for demanding FPV freestyle, long-range, and cinematic builds requiring maximum processing power and reliability.

Featuring dual ICM-42688-P gyros, onboard barometer, 128MB Blackbox, AT7456E OSD, and dual high-current BECs, this FC delivers ultra-stable flight performance, excellent logging capacity, and broad peripheral support on 3–6S setups.

Key Features:

• STM32H743 MCU running at 480MHz for ultra-fast processing
• Dual ICM-42688-P gyroscope & accelerometer for improved stability
• Onboard barometer for altitude hold and GPS-assisted flight
• 128MB onboard Blackbox for extended flight logging
• AT7456E OSD chip for Betaflight compatibility
• Dual BECs: 5V and 10V for powering peripherals
• Supports analog and DJI O3 HD systems
• Type-C USB port with onboard DFU button

Flight Controller Specifications:

• Brand: JHEMCU
• Model: GF30H743
• MCU: STM32H743 (480MHz)
• Gyro / IMU: Dual ICM-42688-P
• Barometer: DPS310
• OSD Chip: AT7456E
• Blackbox Memory: 128MB
• Input Voltage: 3–6S LiPo

BEC Outputs:

• 5V BEC: 5V / 2.5A
• 10V BEC: 10V / 2.0A

Connectivity & Interfaces:

• UARTs: UART1 / UART2 / UART3 / UART4 / UART5 / UART6 / UART7
• Receiver Support: ELRS (CRSF), TBS CRSF, SBUS, IBUS, DSM2, DSMX
• I2C: Supported
• GPS: Supported
• Compass: Supported
• LED Strip: Supported
• Buzzer: Supported
• ESC Protocols: DShot150 / DShot300 / DShot600
• Current Sensor: Yes
• Voltage Sensor: Yes
• HD Video: DJI O3 Supported

Firmware:

• Default Firmware: Betaflight 4.4.3 (JHEH743HD target)

Physical Specifications:

• Mounting Pattern: 30.5 × 30.5mm (M4)
• Board Size: 36 × 36mm
• Weight: 7.9g
• USB Port: Type-C

Package Contents:

• 1× JHEMCU GF30H743 Flight Controller
• Rubber mounting gummies
• Wiring harnesses (as shown)