RadioMaster Nexus-XR Helicopter Flight Controller with Integrated ExpressLRS Receiver Purple

Introduction

The RadioMaster Nexus-XR Helicopter Flight Controller revolutionizes helicopter control systems. This advanced FC integrates a state-of-the-art ExpressLRS receiver with dual Semtech SX1281 2.4GHz transceivers, delivering exceptional RF performance, extended range, and robust reliability. By eliminating the need for external receivers, the Nexus-XR simplifies installation, reduces weight, and enhances the overall aesthetic of your helicopter build. It's specifically engineered for demanding FPV and RC helicopter applications, ensuring precise control and stability.

Key Advantages

• Integrated ExpressLRS Receiver: Features dual Semtech SX1281 2.4GHz transceivers for seamless RF operation, removing the need for external receivers and simplifying setup.
• Optimized for Rotorflight 2.2: Designed for peak performance and compatibility with the latest Rotorflight firmware, ensuring smooth and responsive flight characteristics.
• Precision Flight Control: Equipped with a powerful STM32F722 MCU and a 6-axis ICM42688P gyro/accelerometer for superior flight dynamics and excellent vibration resistance.
• Extended Flight Logging: Boasts 256MB of onboard flash memory for comprehensive flight data logging, crucial for tuning and analysis.
• Durable CNC Aluminum Casing: A sleek yet robust chassis acts as both protection and a heatsink, keeping the system cool during intense flight sessions.
• Wide Voltage Input: Supports external voltage input ranging from 3.6V to 70V, offering flexibility for various power setups.
• Enhanced BEC: Provides a more stable power supply to onboard electronics, increasing overall system reliability.
• Rotorflight Rescue Support: Includes the standard Rotorflight Rescue feature for enhanced safety during emergency situations.

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: 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 A-B-C Output Power: 5V - 1.5A
• Telemetry: S.BUS, HoTT, S.Port, MSP, EDGETX, ELRS
• ESC Protocol: PWM, Oneshot, Multishot, Dshot
• Tail ESC Support: 760μs / 1520μs Servo
• Tail Motor Support: Yes
• Internal Receiver: RP4TD-M ExpressLRS 2.4GHz Mini True Diversity Receiver
• Receiver MCU: ESP32
• Receiver RF Chip: SX1281 x 2
• Antenna: 2x 65mm 2.4GHz Wire Antenna
• Frequency Range: 2.4GHz
• Max RF Refresh Rate: 500Hz / F1000Hz
• RF Telemetry Power: Max 2x 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
• Case Color: Purple

Applications

The RadioMaster Nexus-XR is perfectly suited for high-performance FPV helicopters, advanced RC model helicopters (electric and nitro), and custom UAV builds requiring precise flight control and reliable long-range communication. Its robust design and integrated features make it ideal for aerobatic flying, freestyle, and demanding aerial maneuvers.

Compatibility

This flight controller is compatible with Rotorflight 2.2 firmware and supports a wide range of receiver protocols including CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, and MSP. It features multiple UART ports and supports PWM, Oneshot, Multishot, and Dshot ESC protocols. The Nexus-XR also accommodates tail servos with 760μs/1520μs pulse widths and 12V servos. Power options are flexible with a 5-16V DC input and an external voltage input range of 3.6V-70V. The included USB-C extension cable ensures easy connection for setup and firmware updates.

FAQ

What makes the RadioMaster Nexus-XR helicopter flight controller stand out?

The Nexus-XR stands out with its integrated dual ExpressLRS 2.4GHz receiver, eliminating the need for external receivers. It features a powerful STM32F722 MCU, ICM42688P gyro, 256MB of logging memory, and a durable CNC aluminum casing for optimal performance and reliability in helicopter builds.

Is the RadioMaster Nexus-XR compatible with different types of helicopter servos?

Yes, the Nexus-XR supports tail servos with 760μs / 1520μs pulse widths and also offers support for 12V servos, providing flexibility for various helicopter configurations.

What is the maximum input voltage range for the Nexus-XR flight controller?

The Nexus-XR supports a wide external voltage input range from 3.6V to 70V, making it adaptable to diverse power setups. The main DC power supply voltage ranges from 5V to 16V.

Can I use the Nexus-XR for long-range FPV helicopter flights?

Absolutely. The integrated ExpressLRS receiver with dual Semtech SX1281 transceivers and dual 2.4GHz antennas is designed for excellent RF performance, superior range, and reliability, making it ideal for long-range FPV applications.

Where can I buy the RadioMaster Nexus-XR flight controller with fast delivery?

You can buy the RadioMaster Nexus-XR flight controller at HTDRONE. We offer fast shipping within Poland and reliable delivery to Ukraine via Nova Poshta. International customers can benefit from worldwide shipping via DHL.