Description

The HDZero Halo Mini Flight Controller delivers unmatched performance for serious FPV pilots, powered by the robust H743 MCU and integrated Gemini-mode ELRS receiver for ultra-reliable signal stability. The compact, solderless design streamlines digital builds with dedicated sockets, switchable BEC outputs, and seamless HDZero Race v3 VTX stacking—offering elite performance, heat-resistant precision, and cost-effective convenience in a low-profile, race-ready package built for digital dominance.

Specifications:

Flight Controller

• CPU: STM32H743 (480MHz)
• Gyro Options: MPU6000 or ICM42688
• BEC Output: DC 5V / 4A, DC 9V / 3A, DC 4.5V / 0.5A
• Black Box: 16MB Flash memory
• I2C Pads: Yes
• UART Pads: TX2/RX2, TX7/RX7, TX8/RX8
• ESC Telemetry: RX4
• VTX MSP UART: TX5/RX5
• DJI HDL: RX3
• Buzzer Pads: Yes
• LED Strip Support: Parallel or Serial
• USB Connector: Type-C
• Analog OSD: Not Supported
• FC Firmware: Betaflight: HDZERO_HALO

ELRS Receiver

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

Dimensions & Power

• Power Supply: 3S ~ 8S
• Size: 29 x 30.5 mm (with 20×20 M4 mounting holes)
• Dedicated Sockets For: ESC, HDZero and other Digital VTXes

Package Includes:

• 1 x HDZero Halo FC
• 5 x Rubber Grommet(6.6mm)
• 5 x Rubber Grommet(8.0mm)
• 1 x ELRS T-sharp short antenna (40mm)
• 1 x ELRS T-sharp long antenna (90mm)
• 2 x ELRS Antenna Strain
• 1 x ESC Cable (8-pin SH1.0, 30mm)
• 1 x 8-pin SH1.0 connector