RadioMaster NEXUS-X Helicopter Flight Controller

The Nexus-X Helicopter Flight Controller is specifically designed for Rotorflight 2.2 and provides outstanding compatibility, performance, and ease of use. 

Powered by the STM32F722 MCU and equipped with the highly accurate ICM42688P 6-axis MEMS motion tracker, the Nexus-X provides precise control, seamless stabilization, and outstanding flight performance. Its integrated Black Box with 256MB of flash memory offers ample space for flight logging, enabling easy tuning and performance optimization.

Designed for versatility and future-proofing, the Nexus-X features multi-function UART ports for seamless integration with various receivers and peripherals. It supports Plug’n’Play solder-free RP3-H ELRS receivers and traditional S.BUS, ensuring flexible connectivity.

Encased in a robust CNC-machined aluminum case, the Nexus-X stays cool under demanding conditions while protecting its electronics. Its lightweight, compact design fits effortlessly into any helicopter build. 

The Nexus-X is the ultimate helicopter flight controller for pilots who want a clean, reliable, high-performance Rotorflight experience. 

Launch Video

Features

• Optimized for Rotorflight 2.2: Engineered for peak performance and compatibility.
• Precision Control: STM32F722 MCU and ICM42688P 6-axis gyroscope/accelerometer for superior flight dynamics.
• Flight Logging: 256MB onboard flash memory for detailed logging and tuning.
• Versatile Connectivity: Multiple UART ports support CRSF, ELRS, S.BUS, and more. 
• Plug’n’Play ExpressLRS: Solder-free locking connector for RP3-H ExpressLRS receivers (sold separately).
• More PWM Pins: Additional pins for expanded control in complex setups.
• CNC-Machined Aluminum Case: Sleek, rugged design doubles as a heat sink to keep the system cool.
• Tail Servo/ESC Support: Compatible with 760μs/1520μs tail servos and ESCs.
• 12V Servo Support: Capable of supporting 12-volt servos. 
• Wide Voltage Range: Supports 3.6V–70V external power input for flexible setups.
• Improved BEC: Stable, reliable power delivery to electronics for enhanced performance.
• Isolated Power Supplies: Dedicated 1.8V (gyro), 3.3V (MCU), and 5V (interfaces) to minimize noise.
• USB-C Accessibility: Lightweight, flexible USB-C extender cable for easy access in tight builds.
• Compact and Lightweight: Ideal for any helicopter build.
• Rotorflight Rescue: Standard feature for enhanced safety in emergencies.
• Optional Case Color: Grey / Gold / Red / Blue / Purple. 

Specification

• Item: Nexus-X Helicopter Flight Controller
• Firmware: Rotorflight 2.2
• MCU: STM32F722RET6
• Gyro (IMU): ICM42688P
• Flash Memory (Black Box. IC): 256MB (W25N02KVZEIR)
• Barometer: SPL06-001
• Uart: 5 - S.BUS[UART1], TELEM[UART2],PORT-A[UART4], PORT-B[UART6], PORT-C[UART3]
• Servo: S1, S2, S3, TAIL Servos (Up to 12V )
• Rpm Sensor: 1 - FROM ESC FREQUENCY SENSOR
• AUX: 1
• Ext voltage input (tele): 3.6-70v
• Receiver Support: CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP
• Voltage Supply(DC): 5 - 16V
• A-B-C Serial Port Power Output: 5V - 1.5A
• Telemetry: S.BUS, HoTT, S.Port, MSP, EDGETX, ELRS
• ESC: PWM, Oneshot, Multishot, Dshot
• Support Tail ESC: 760μs/1520μs Servo
• Support Tail Motor: Yes
• Demensions: 44.70 x 26.50 x 12.30mm
• Weight: 20.6g

Dimensions

Overview

Weight

Package Includes 

• 1 * NEXUS-X Helicopter Flight Controller
• 3 * JST-GH 4 Wire pigtail cables
• 1 * JST-GH to Servo Plug (dupont 3 pin connector)
• 1 * Ultra light-weight and flexible USB-C extender
• 1 * Type C extension cable
• 1 * JST-ZH1.5 "DSM" Telemetry cable (Telemetry only does not support DSM Receivers)
• 1 * Voltage telemetry wire
• 3 * 3M double-sided mounting tape
• 2 * Heat shrink tubing
• 1 * Inventory Card