HDZero Halo H743 70A BLHeli_32 FPV Stack with ELRS Receiver for Racing and Freestyle Drones

Introduction

The HDZero Halo H743 ELRS Stack (MPU6000 + 70A BLHeli_32) is a top-tier digital FPV system meticulously engineered for competitive FPV racing and advanced freestyle piloting. It addresses the need for ultra-low latency, superior flight control, and reliable power delivery in high-performance drone builds. This stack integrates critical components into a compact, high-performance unit, making it an ideal choice for pilots who demand the best.

Key advantages

• High-performance STM32H743 microcontroller (480 MHz) for lightning-fast processing.
• Legendary MPU6000 gyroscope for exceptionally low noise and smooth flight characteristics.
• Integrated Gemini ELRS true-diversity receiver ensures a stable 2.4 GHz control link.
• Powerful 70A BLHeli_32 ESC with 100A burst capability for handling high-demand motors.
• Supports high-speed DShot up to DShot2400 for precise throttle control.
• Multiple adjustable BEC outputs (5V/4A, 9V/3A, 4.5V/0.5A) for versatile powering options.
• Plug-and-play compatibility with the HDZero digital FPV system.
• Conformal coating on electronics enhances durability and resistance to environmental factors.

Technical specifications

• Flight Controller: Halo H743 (MPU6000)
• MCU: STM32H743 @ 480 MHz
• Gyroscope: MPU6000
• BEC Outputs: 5V / 4A, 9V / 3A, 4.5V / 0.5A
• Blackbox: 16MB Flash Memory
• I2C Pads: Yes
• UARTs: TX2/RX2, TX7/RX7, TX8/RX8
• ESC Telemetry: RX4
• VTX MSP UART: TX5/RX5
• DJI HDL: RX3
• LED Strip: Serial or Parallel
• Buzzer Pads: Yes
• USB: Type-C
• Analog OSD: No
• Firmware: Betaflight - HDZERO_HALO
• ESC: HALO 4-in-1 70A ESC
• ESC MCU: AT32F421 (120 MHz)
• ESC Firmware: BLHeli 32.10
• Input Voltage: DC 9V - 40V (3S - 8S)
• ESC Telemetry: Supported
• Input Signal: Dshot 150/300/600/1200/2400, MultiShot, OneShot
• Output Voltage: VBAT (for FC power)
• Max Current: 70Ax4 (Continuous) / 100Ax4 (Burst)
• Current Sensor: Scale = 170, Offset = 0
• Solder Pads: Double-sided
• ESC Dimensions: 33x43 mm
• Mounting: 20x20 mm, Φ4 mm holes with Φ3 mm grommets
• ESC Weight: 13.4 g
• Built-in Receiver: ELRS 2.4 GHz
• Chipset: ESP32 + 2x SX1280
• FC UART for ELRS: TX1/RX1
• True Diversity RX: Yes
• RF Frequency: 2.4 GHz
• Max RF TX Power: 10 mW
• Antenna Interface: 2x U.FL
• ELRS Firmware: HDZero Halo FC 2.4G Gemini RX

Applications

This high-performance stack is ideal for FPV racing drones, freestyle quadcopters, and any UAV application requiring precise control, low latency digital video transmission, and robust power handling. It's designed to push the limits in competitive FPV scenarios and demanding aerial maneuvers.

Compatibility

The HDZero Halo stack features a 20x20mm mounting pattern with 4mm mounting holes (3mm with grommets). It is compatible with 3S to 8S LiPo batteries and supports plug-and-play integration with the HDZero FPV system. It includes multiple UARTs for various peripherals and supports DJI HDL input.

FAQ

What is the HDZero Halo H743 70A BLHeli_32 Stack designed for?

The HDZero Halo H743 stack is specifically designed for high-level FPV racing and freestyle piloting. It offers ultra-low latency, exceptional stability, and robust power delivery required for demanding drone builds.

What are the key advantages of the HDZero Halo H743 stack?

Key advantages include a powerful STM32H743 MCU, the reliable MPU6000 gyro, an integrated Gemini ELRS true-diversity receiver for stable control, and a 70A BLHeli_32 ESC capable of handling high bursts. It also features multiple BEC outputs and plug-and-play HDZero compatibility.

What is the voltage range supported by the HDZero Halo 4-in-1 70A ESC?

The HALO 4-in-1 70A ESC supports an input voltage range of DC 9V - 40V, which corresponds to 3S to 8S LiPo batteries, providing flexibility for various builds.

Does the HDZero Halo stack include a receiver?

Yes, the HDZero Halo stack features a built-in Gemini ELRS 2.4 GHz true diversity receiver, utilizing ESP32 and 2x SX1280 chipsets for a stable and reliable control link.

Where can I buy the HDZero Halo H743 70A BLHeli_32 Stack with fast delivery?

You can buy the HDZero Halo H743 70A BLHeli_32 Stack at HTDRONE. We offer fast shipping within Poland and reliable delivery options to Ukraine via Nova Poshta, as well as worldwide shipping via DHL.