RadioMaster NEXUS-X Helicopter Flight Controller

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
Specification
Item: Nexus-XR 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
Internal Receiver: RP4TD-M ExpressLRS 2.4GHz Mini True Diversity Receiver
MCU: ESP32
Type: ISM
RF Chip: SX1281 x 2
Antenna: 65mm 2.4GHz Wire Antenna x 2
Frequency Range: 2.4GHz
Maximum Refresh Rate: 500Hz / F1000Hz
Telemetry RF Power: Max 2 x 10mW
Wifi Updates: Yes
FW Target: RadioMaster RP4TD-M 2400 RX
Bus interface: CRSF
Demensions: 44.70 x 26.50 x 14.30mm
Weight: 24.1g