Radiomaster NEXUS Helicopter Flight Controller

NEXUS Flybarless Control Unit: Precision. Performance. Innovation.

Designed for helicopter enthusiasts who demand the best, the NEXUS Flybarless (FBL) control unit redefines flight control with groundbreaking technology and unmatched reliability. Built from the ground up with the Rotorflight 2.0 reference design, the NEXUS delivers an unparalleled flying experience right out of the box.

Engineered for Precision
Powered by an advanced STM32F722 MCU and the TDK ICM-42688-P 6-axis MEMS motion tracking system, the NEXUS combines a 3-axis gyroscope and 3-axis accelerometer for flawless, precise control. Whether you're flying for fun or perfecting complex maneuvers, expect responsive, smooth, and accurate flight every time.

Your Flights, Your Data
With a robust 128MB of onboard flash memory, the NEXUS enables comprehensive flight logging, giving you the data you need to fine-tune your settings and achieve optimal performance with every flight.

Simplified Setup, Unmatched Reliability
The NEXUS comes equipped with our Plug'n'Play, solder-free RP3-H ELRS receivers, featuring a secure locking connector system that guarantees stable, seamless connections between your control unit and receiver. Additionally, DSM and S.BUS ports provide flexibility for your receiver preferences, while multi-function ports allow for easy future upgrades.

Built to Last
The CNC-machined aluminum case not only looks stunning, but also protects your control unit and improves heat dissipation, keeping the F722 processor cool during intense flights. Form meets function in the NEXUS, ensuring durability and performance in every condition.

Tested by the Best
After over 12 months of rigorous development and real-world testing, the NEXUS has been fine-tuned by our expert team at Rotorflight, as well as a select group of skilled helicopter pilots in our exclusive beta program. Their feedback was instrumental in perfecting the NEXUS, and we’re proud to share the result: a control unit that’s ready to take your flight experience to the next level.

Key Features of the NEXUS Helicopter Flight Controller

• Optimized for Rotorflight 2.0: Engineered from the ground up for seamless integration with Rotorflight 2.0, ensuring top-tier performance and compatibility.

• Precision Motion Tracking: Powered by an advanced STM32F722 MCU and TDK 6-axis MEMS motion tracking, combining a 3-axis gyroscope and 3-axis accelerometer for ultra-precise control.

• Built-in Black Box: With 128MB of onboard flash memory, you can easily log every flight for fine-tuning, adjustments, and performance optimization.

• Reliable Plug’n’Play Connection: Featuring a secure locking connector system compatible with solder-free RP3-H ExpressLRS receivers, ensuring stable, interference-free communication (RP3-H not included).

• Future-Proof Expandability: Equipped with multi-function UART ports for easy upgrades and expansion to meet future needs.

• Compact and Durable Design: The rugged CNC-machined aluminum case offers exceptional protection and acts as a heat sink to keep internal components cool during high-performance flights.

• Perfect Fit for Any Build: With compact dimensions of just 41mm x 25mm and a height of 13mm, the NEXUS fits effortlessly into a wide range of helicopters (250–700 sizes).

• Tail Motor & ESC Support: Compatible with a variety of tail motors and ESCs, supporting both 760μs and 1520μs configurations.

• Wide Receiver Compatibility: Supports multiple receiver protocols, including CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP, DSM2, DSMX, and F PORT.

• Independent Power Supplies: Designed with multiple isolated power supplies (1.8V for Gyro, 3.3V for MCU, and 5.0V for external interfaces) to minimize noise and ensure clean, stable performance.

• Flexible USB-C Extender: Includes an ultra-light, flexible USB-C extender cable, designed to prevent vibration transfer and ensure easy access to the control unit in tight spaces.

• Rotorflight Rescue: The NEXUS comes standard with the Rotorflight Rescue function, providing enhanced safety and reliability in every flight.

Specification
Item: NEXUS Heli Flight Controller
Firmware: Rotorflight 2.0
MCU: STM32F722RET6
Gyro (IMU): ICM-42688-P
Flash Memory (Black Box. IC): 128MB (W25N01GVZEIG)
Barometer: SPL06-001
Uart: 6 - DSM[UART1], S.BUS[UART2], A-CRSF[UART4], PORT-B[UART6], PORT-C[UART3]
Servo: 4 - S1, S2, S3, TAIL
Rpm Sensor: 1 - FROM ESC FREQUENCY SENSOR
Receiver Support: CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP, DSM2, DSMX
Voltage Supply(DC): 5 - 12.6V
A-B-C Serial Port Power Output: 5V - 2.0A
DSM Serial Port Power Output: 3.3V - 0.5A
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: 41.3 X 25.4 X 13.1mm
Weight: 16.8g