The HDZero Halo Stack features the Halo Flight Controller paired with the Halo ESC. It has 4 variations:

Halo Flight Controller (MPU6000) + Halo ESC (AM32)
Halo Flight Controller (ICM42688) + Halo ESC (AM32)
Halo Flight Controller (MPU6000) + Halo ESC (BLHeLi32)
Halo Flight Controller (ICM42688) + Halo ESC (BLHeLi32)

Building a complete HDZero digital FPV system? Connect the Halo Stack to a compatible HDZero VTX and camera, then view the video feed through theHDZero FPV Goggles 2.

Specifications.

Flight Controller

• Model HDZero Halo Flight Controller
• CPU STM32H743 (480MHz)
• Gyro 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 Parallel or Serial
• USB Type-C
• Analog OSD No
• FC Firmware Betaflight: HDZERO_HALO

ELRS Receiver

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

Dimensions

• Power Supply3S ~ 8S
• Size 29×30.5mm with 20×20 M4 mounting holes
• Weight 5.6g
• Dedicated sockets for ESC, HDZero and other Digital VTXs

Halo ESC

Specifications.

• Model HDZero Halo 4in1 70A ESC
  
• CPU AT32F421 (120MHz)
  
• Firmware BLHeli 32.10 AM32 2.18
  
• Target: HDZ_ESC_1R0_F421
  
• Input Voltage DC 9V 40V (3S 8S)
  
• Telemetry Supported
  
• Input signal Dshot 150/300/600/1200, MultiShot, OneShot
  
• Output Voltage VBAT (to power the FC)
  
• Max Current Over 70Ax4 (Continuous) / 100Ax4 (Burst)
  
• Current Sensor Scale = 400, offset = 0
  
• Dual-sided solder pads YES
  
• Dimension 33x43mm
  
• Mounting 20x20mm, 4mm/M6
  
• Weight 13.4g

Includes

• 1x HDZero Halo FC
• 1x HDZero Halo ESC