• RadioMaster NEXUS-X Helicopter Flight Controller main unit, top view with USB-C port
  • RadioMaster NEXUS-X controller shown in multiple color options (red, gold, gray, purple, blue)
  • NEXUS-X flight controller top view in blue finish with USB-C connector opening
  • NEXUS-X flight controller top view in red finish with USB-C connector opening
  • NEXUS-X flight controller top view in gold finish with USB-C connector opening
  • NEXUS-X flight controller top view in purple finish with USB-C connector opening
  • RadioMaster NEXUS-X flight controller angled view showing multi-pin header and side ports
  • NEXUS-X flight controller side profile showing stacked connector ports and top USB-C
  • Close-up of NEXUS-X multi-pin header labeled S1 S2 S3 TRL ESC RPM TLM AUX SBUS
  • NEXUS-X side view with two stacked white connector sockets and S/+ marking at base
  • NEXUS-X side view showing two stacked sockets with “EXT-V” label and S/+ marking
  • NEXUS-X underside view with FCC and CE markings and “Made in China” label
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RadioMaster NEXUS-X Helicopter Flight Controller for Rotorflight 2.2 - STM32F722, 256MB Blackbox, CNC Case

RadioMaster NEXUS-X Helicopter Flight Controller for Rotorflight 2.2 - STM32F722, 256MB Blackbox, CNC Case

RadioMaster

$116.99 USD
$116.99 USD
Rea Slutsåld
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Overview

The RadioMaster NEXUS-X is a helicopter flight controller specifically designed for RF 2.2, focusing on compatibility, stabilization performance, and clean installation. It uses an STM32F722 MCU with an ICM42688P 6-axis MEMS motion tracker and includes an upgraded 256MB onboard Black Box for extended data logging and tuning.

The controller provides multi-function UART connectivity for a wide range of receiver protocols, and supports Plug’n’Play solder-free RP3-H ExpressLRS receivers (receiver sold separately). A CNC-machined aluminum case helps protect the electronics while acting as a heat sink, and USB-C access is supported via an included extender for tight builds.

Key Features

  • Designed for RF 2.2 compatibility
  • MCU: STM32F722
  • Gyro/IMU: ICM42688P 6-axis MEMS
  • Built-in Black Box with 256MB onboard flash memory
  • CNC aluminum case for protection and cooling
  • Multi-function UART ports for receiver and peripheral integration
  • Receiver support: CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP
  • Plug’n’Play connector support for RP3-H ExpressLRS receivers (sold separately)
  • Servo outputs: S1, S2, S3, TAIL (up to 12V)
  • Supports tail servo and tail motor
  • USB-C interface and FC-Boot access
  • RF Rescue feature
  • Optional case colors: Grey / Gold / Red / Blue / Purple

Specifications

Item NEXUS-X Control System / NEXUS-X Helicopter Flight Controller
Firmware RF 2.2 / 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 Outputs S1, S2, S3, TAIL servos (up to 12V)
Support Tail ESC 760us / 1520us Servo
Support Tail Motor Yes
PWM Protocols PWM, Oneshot, Multishot, Dshot
RPM Sensor 1 - from ESC frequency sensor
AUX 1
Ext voltage input (tele) 3.6-70V
Voltage Supply (DC) 5-16V
A-B-C Serial Port Power Output 5V - 1.5A
Telemetry S.BUS, HoTT, S.Port, MSP, EDGETX, ELRS
Dimensions 44.70 x 26.50 x 12.30mm
Weight 20.6g

What’s Included

  • 1 x NEXUS-X Control System
  • 3 x JST-GH 4-wire pigtail cables
  • 1 x JST-GH to servo plug (Dupont 3-pin connector)
  • 1 x Ultra light-weight and flexible USB-C extender
  • 1 x Type-C extension cable
  • 1 x JST-ZH1.5 “DSM” telemetry cable (telemetry only; does not support DSM receivers)
  • 1 x Voltage telemetry wire
  • 3 x 3M double-sided mounting tape
  • 2 x Heat shrink tubing
  • 1 x Inventory card

Applications

  • Helicopter builds using RF 2.2 / Rotorflight 2.2
  • Setups requiring onboard Black Box logging for tuning
  • Receiver integrations using CRSF, ELRS, S.BUS, and other supported protocols

For installation and wiring questions, contact support@rcdrone.top or visit https://rcdrone.top/.

Details

RadioMaster NEXUS-X Helicopter Flight Controller in CNC aluminum case with USB-C access and Rotorflight focus

Purpose-built for Rotorflight 2.2, NEXUS-X combines a compact layout with clean USB-C access for easy setup and tuning.

Graphic highlighting STM32F722 MCU and ICM42688P 6-axis MEMS gyro used in the NEXUS-X controller

An STM32F722 processor paired with the ICM42688P 6-axis IMU delivers fast stabilization response and consistent flight feel.

Built-in Black Box graphic for NEXUS-X with upgraded 256MB onboard flash memory for flight data logging

Expanded 256MB onboard Black Box memory captures longer logs for troubleshooting, tuning, and performance reviews.

Close-up of NEXUS-X rugged CNC aluminum case, status LED and USB-C port for protection and cooling

The CNC-machined aluminum housing helps protect the electronics while acting as a heat sink in tight helicopter frames.

NEXUS-X specifications table listing Rotorflight 2.2 firmware, UART ports, receiver protocols, dimensions and power range

Key specs at a glance help confirm receiver support, UART mapping, power input range, and telemetry options before install.

RadioMaster NEXUS-X flight controller dimensions diagram: 44.7 mm by 26.5 mm footprint and 12.3 mm height

A 44.7 × 26.5 × 12.3 mm footprint keeps the controller easy to fit while retaining full connectivity.

NEXUS-X pinout diagram with servo outputs S1-S3 and tail, plus A/B/C ports, SBUS and labeled USB-C/FC-BootNEXUS-X helicopter flight controller on digital scale reading 20.6 g for installed weight referenceRadioMaster NEXUS-X package contents: flight controller, JST-GH cables, USB-C extender, mounting tape and heat shrink

Everything needed for a neat build is included, from JST-GH harnesses and a USB-C extender to mounting tape and heat-shrink.

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