Hobbywing XRotor Nano Combo – F4 Flight Controller & 20A 4-in-1 ESC

Experience the legendary quality and performance of Hobbywing in a compact 20x20mm form factor with the XRotor Nano Combo. This FPV stack is the premium choice for pilots who demand ultimate reliability for their lightweight builds. It combines a feature-packed F4 flight controller with a robust and silky-smooth 20A 4-in-1 ESC, providing a top-tier core for your 2.5-inch to 4-inch FPV drone.

The Hobbywing Standard of Quality

Hobbywing is renowned in the RC world for its exceptional engineering and reliability. The XRotor Nano stack brings that same quality to the micro drone class. The 20A 4-in-1 ESC provides incredibly smooth and dependable power delivery, running on the ultra-reliable BLHeli-S firmware. Paired with the powerful F405 flight controller and its clean MPU6000 gyro, you get a flight experience that is stable, responsive, and locked-in.

Full-Size Features in a Nano Package

Unlike most nano-sized boards, the XRotor Nano F4 doesn’t compromise on features. The standout is the dedicated TF-Card (Micro SD) slot for virtually unlimited blackbox data logging—an essential tool for precision tuning. With an onboard OSD, dedicated buzzer and LED ports, and a robust 5V/1.5A BEC, you have everything you need for a high-performance build.

Key Features:

• Legendary Hobbywing Reliability: Get the ultimate in smooth, dependable performance from one of the most trusted brands in RC.
• TF-Card Blackbox Slot: A rare feature on a nano board, allowing for extensive flight data recording for professional-level tuning.
• Powerful F405 FC: Features a reliable F405 MCU and the clean MPU6000 gyro for a locked-in flight feel.
• Smooth 20A 4-in-1 ESC: Provides silky-smooth and dependable power for your motors on 2S-4S LiPo setups.
• Compact 20x20mm Form Factor: Perfect for lightweight and high-performance 2.5-inch to 4-inch FPV drone builds.

Specifications

XRotor Nano F4 Flight Controller

• MCU: STM32F405
• IMU (Gyro): MPU6000
• Blackbox: TF-Card Slot
• BEC: 5V @ 1.5A
• Mounting: 20x20mm
• Weight: 3.3g

XRotor Nano 20A 4-in-1 ESC

• Input Voltage: 2S-4S LiPo
• Continuous Current: $20\text{A}\times 4$
• Firmware: BLHeli-S A-H-50
• Mounting: 20x20mm
• Weight: 6g

Includes

• 1x XRotor Nano F4 Flight Controller
• 1x XRotor 20A 4-in-1 ESC
• 1x FC to ESC Cable
• 1x 3-pin Cable for Receiver
• 2x Wire Leads
• 1x Set of Anti-vibration Standoffs and Rubber Grommets

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Downloads

Downloads and setup information can be found here