The HDZero Halo is a compact, high-performance flight controller powered by the H743 MCU, delivering robust computational capabilities for demanding FPV applications. It integrates a true diversity ExpressLRS (ELRS) receiver, supporting Gemini mode, which utilizes two receivers on two frequencies to significantly enhance ELRS reception. This advanced feature ensures superior link stability, making it a top choice for competitive pilots. To further enhance reliability, the Halo Flight Controller features a TXCO (Temperature Control Crystal Oscillator), ensuring consistent ELRS RX performance even in high-heat environments. This level of precision is crucial for maintaining a stable connection in extreme conditions. The integrated ELRS RX not only simplifies quad assembly but also provides a cost-effective solution. With the Gemini ELRS RX typically priced at $25, and the flight controller priced at $65, this combination represents significant savings compared to purchasing separate ELRS receivers and flight controllers. Additionally, the Halo Flight Controller includes a switchable 9V/3A BEC output for video transmitters, alongside a 5V/4A output for LED strips and other peripherals. Its design streamlines LED strip wiring, making it easy to connect parallel LED strips for uniform single-color illumination while simplifying the routing of addressable LEDs. Built for digital video systems, the Halo removes the analog OSD chip to save space and reduce cost. It is designed to stack neatly with the HDZero Race V3 VTX, creating a compact and durable setup for responsive digital video through the HDZero Goggles 2. The solderless design features dedicated ESC connection sockets (with an included 4A-rated cable) and easy connectivity for digital VTXes, allowing for quick swaps and hassle-free assembly in the field. With its Gemini mode support, TXCO-enhanced ELRS reception, low-profile HDZero Race v3 VTX stacking, and cost efficiency, the HDZero Halo is the ultimate flight controller for FPV racers and freestyle pilots seeking top-tier performance, reliability, and a sleek, durable build. The Halo Flight Controller is available in two versions, MPU6000 and ICM42688, to meet different pilot preferences. 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 29x30.5mm with 20x20 M4 mounting holes Weight 5.6g Dedicated sockets for ESC, HDZero and other Digital VTX’s Includes 1x HDZero Halo FC 5x Rubber Grommet(6.6mm) 5x Rubber Grommet(8.0mm) 1x ELRS T-sharp short antenna (40mm) 1x ELRS T-sharp long antenna (90mm) 2x ELRS Antenna Strain 1x ESC Cable (8-pin SH1.0, 30mm) 1x 8-pin SH1.0 connector User Manual
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