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RadioMaster Nexus-XR Helicopter Flight Controller with Gold Receiver
Upgrade your helicopter FPV experience with the RadioMaster Nexus-XR Flight Controller. This advanced unit integrates a powerful ExpressLRS receiver and dual Semtech SX1281 transceivers for superior RF performance and range. Designed for Rotorflight 2.2, it features a robust STM32F722 MCU, ICM42688P gyro, and 256MB of onboard flash for extensive flight logging. The CNC-machined aluminum case ensures durability and efficient heat dissipation. Perfect for both electric and nitro helicopters, offering stable power and versatile connectivity for demanding flights. Buy now for unparalleled control!
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Introduction
The RadioMaster Nexus-XR Helicopter Flight Controller represents a significant leap forward in helicopter control systems. It revolutionizes flight management by integrating a state-of-the-art ExpressLRS receiver directly into the flight controller unit. This all-in-one design, featuring dual Semtech SX1281 2.4 GHz transceivers, eliminates the need for external receivers, simplifying installation, reducing weight, and enhancing overall system reliability. The Nexus-XR is specifically engineered for optimal performance with Rotorflight 2.2, making it an ideal choice for FPV helicopter enthusiasts seeking precision, power, and ease of use in their builds.Key advantages
- Integrated ExpressLRS Receiver: Features dual Semtech SX1281 2.4 GHz transceivers for seamless RF performance, eliminating the need for an external receiver.
- Optimized for Rotorflight 2.2: Designed for maximum performance and compatibility with the latest Rotorflight firmware.
- High-Precision Control: Powered by an STM32F722 MCU and ICM42688P 6-axis IMU for exceptional flight dynamics and vibration resistance.
- Extensive Flight Logging: Equipped with 256MB of onboard flash memory for detailed flight data recording and tuning.
- Robust Construction: Features a CNC-machined aluminum case that acts as a protective shield and efficient heatsink.
- Wide Voltage Input: Supports external voltage input from 3.6V to 70V for flexible power configurations.
- Enhanced BEC: Provides a more stable power supply to onboard electronics, improving reliability.
- Versatile Connectivity: Multiple UART ports and additional PWM pins offer expanded control options for complex setups.
Technical specifications
- Product: Nexus-XR Helicopter Flight Controller
- Firmware: Rotorflight 2.2
- MCU: STM32F722RET6
- Gyro (IMU): ICM42688P
- Flash Memory (Blackbox, IC): 256MB (W25N02KVZEIR)
- Barometer: SPL06-001
- UARTs: 5 (S.BUS[UART1], TELEM[UART2], PORT-A[UART4], PORT-B[UART6], PORT-C[UART3])
- Servo Outputs: S1, S2, S3, Tail Servos (up to 12V)
- RPM Sensor: 1 (from ESC frequency sensor)
- AUX Pins: 1
- External Voltage Input (Tele): 3.6V-70V
- Receiver Support: CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP
- Power Supply Voltage (DC): 5V-16V
- Serial Port Output Power (A-B-C): 5V - 1.5A
- Telemetry: S.BUS, HoTT, S.Port, MSP, EDGETX, ELRS
- ESC Support: PWM, Oneshot, Multishot, Dshot
- Tail Servo Support: 760 μs / 1520 μs servo
- Tail Motor Support: Yes
- Internal Receiver: RP4TD-M ExpressLRS 2.4GHz Mini True Diversity Receiver
- Internal Receiver MCU: ESP32
- Internal Receiver RF Chip: SX1281 x 2
- Internal Receiver Antenna: 65mm 2.4GHz Wire Antenna x 2
- Internal Receiver Frequency Range: 2.4GHz
- Max Refresh Rate: 500Hz / F1000Hz
- RF Telemetry Power: Max 2 x 10mW
- Wi-Fi Updates: Yes
- Target FW: RadioMaster RP4TD-M 2400 RX
- Bus Interface: CRSF
- Dimensions: 44.70 x 26.50 x 14.30 mm
- Weight: 24.1g
Applications
This flight controller is specifically designed for advanced helicopter builds, including electric and nitro models. It is ideal for FPV (First Person View) flying, aggressive 3D maneuvers, precision aerobatics, and competitive helicopter racing. The robust features also lend themselves to specialized UAV applications requiring high reliability and detailed flight data logging.Compatibility
Power: Supports 5-16V DC power supply and external voltage input from 3.6V to 70V. Features an upgraded BEC for stable 5V output (1.5A) for serial ports. Interfaces: Compatible with a wide range of receivers (CRSF, ELRS, S.BUS, etc.), ESC protocols (PWM, Dshot), and telemetry outputs (S.PORT, MSP, ELRS). Includes multiple UARTs and additional PWM pins. Servos: Supports standard and 760 μs tail servos, as well as 12V servos. Mounting: Compact dimensions (44.70 x 26.50 x 14.30 mm) suitable for various helicopter frames. Comes with mounting hardware. Software: Optimized for Rotorflight 2.2 firmware.FAQ
What makes the RadioMaster Nexus-XR helicopter flight controller unique?
The Nexus-XR stands out with its fully integrated ExpressLRS receiver, featuring dual Semtech SX1281 transceivers. This eliminates the need for an external receiver, simplifying installation and reducing weight. It also boasts a powerful STM32F722 MCU, a high-performance ICM42688P gyro, and 256MB of flash memory for flight logging, all housed in a durable CNC aluminum case.
Is the RadioMaster Nexus-XR suitable for beginners in helicopter FPV?
While the Nexus-XR offers advanced features and top-tier performance, its complexity might be better suited for intermediate to advanced pilots. Its integrated design simplifies some aspects, but understanding Rotorflight firmware and advanced helicopter setup is recommended for optimal use. Check out our range of beginner-friendly FPV drones and parts if you're just starting.
What are the key technical specifications of the Nexus-XR FC?
The Nexus-XR features an STM32F722RET6 MCU, ICM42688P gyro, 256MB flash for Blackbox, and an integrated RP4TD-M ExpressLRS 2.4GHz receiver. It supports a wide voltage input (3.6V-70V), offers multiple UARTs, enhanced BEC, and supports various ESC and servo protocols, including 12V servos.
Where can I buy the RadioMaster Nexus-XR helicopter flight controller with fast delivery?
You can buy the RadioMaster Nexus-XR helicopter flight controller directly from HTDRONE. We are based in Poland and offer fast shipping within Poland and reliable delivery to Ukraine via Nova Poshta. For international customers, we provide worldwide shipping via DHL.
Does the RadioMaster Nexus-XR support tail motor and advanced servo configurations?
Yes, the Nexus-XR fully supports tail motor operation and advanced servo configurations. It is compatible with both 760 μs and 1520 μs tail servos, and can also handle 12V servos, providing flexibility for various helicopter builds. Its multiple PWM outputs and dedicated tail servo pins ensure precise control.
