The HDZero Halo H743 Flight Controller is a compact, high-performance board powered by the H743 MCU, featuring an integrated true diversity ELRS receiver for seamless connectivity. Designed for modern digital video systems, it includes a switchable 9V/3A BEC, a 5V/4A output for peripherals, and a low-profile, solderless stack optimized for the HDZero Race v3 VTX. With the ICM42688 gyro and dedicated ESC sockets, it’s ideal for pilots seeking precision, reliability, and easy assembly in a 20×20 form factor.

• Ensures Compatibility with Compact Builds and HDZero Systems
• Optimized for HDZero Race v3 VTX
• Digital Video System Optimization
• High-Performance Processing
• Compatibility and Ease of Use
• Low-Profile Stack Design
• Versatile Power Outputs
• Integrated Receiver
• LED Connectivity

FC

• FC Firmware: Betaflight: HDZERO_HALO
• UART Pads: TX2/RX2, TX7/RX7, TX8/RX8
• Black Box: 16MB Flash memory
• CPU: STM32H743 (480MHz)
• LED Strip: Parallel or Serial
• VTX MSP UART: TX5/RX5
• Power Supply: 3S ~ 8S
• ESC Telemetry: RX4
• Gyro: ICM42688
• Buzzer Pads: Yes
• Analog OSD: No
• DJI HDL: RX3
• I2C Pads: Yes
• USB: Type-C
• BEC Output:
  • DC 4.5V/0.5A
  • DC 5V/4A
  • DC 9V/3A

ELRS RECEIVER

• ELRS Firmware: HDZero Halo FC 2.4G Gemini RX
• Chipset: ESP32 + 2x SX1280
• Antenna Interface: 2x U.FL
• Max TX RF Power: 10mW
• RF Frequency: 2.4GHz
• True Diversity RX: Yes
• FC UART: TX1/RX1

DIMENSIONS

• Size: 29 x 30.5mm with 20 x 20 M4 mounting holes

• 1x HDZero Halo H743 Flight Controller – ICM42688 – 20×20
• 1x ELRS T-Sharp Short Antenna (40mm)
• 1x ELRS T-Sharp Long Antenna (90mm)
• 1x ESC Cable 8-pin SH1.0, 30mm
• 2x ELRS Antenna Strain
• 1x Hardware Kit