FLYWOO GOKU GN405 Nano HD 20A V3 ELRS F4 Flight Controller Stack

Introduction

The FLYWOO GOKU GN405 Nano HD 20A Stack V3 with ELRS is a high-performance, compact flight control solution designed specifically for the demanding FPV and micro drone community. It masterfully combines a powerful F4 flight controller with a reliable 20A 4-in-1 ESC, all within a tiny 16x16mm mounting pattern. This stack is ideal for building lightweight FPV drones without compromising on flight stability, control responsiveness, or essential features, making it a top choice for serious hobbyists and racers.

Key advantages

• Integrated F4 Flight Controller and 20A 4-in-1 ESC for a streamlined build.
• Compact 16x16mm mounting, perfect for micro and lightweight FPV drone frames.
• STM32F405 BGA MCU and ICM-42688P gyroscope ensure smooth and stable flight control.
• Built-in ELRS 2.4GHz receiver for reliable, long-range control.
• Supports 2-6S LiPo batteries, offering flexibility for various power setups.
• Wide range of ESC protocols including DShot, Oneshot, and PWM for maximum compatibility.
• 16MB Blackbox for flight data logging and tuning.
• Includes essential BEC outputs (5V 2A / 3.3V 0.5A) for powering peripherals.

Technical specifications

• Flight Controller:
• MCU: STM32F405 BGA
• Gyroscope: ICM-42688P (SPI)
• Barometer: DP310
• OSD: No
• Blackbox: 16MB
• USB: Type C
• UART: 1 / 2 / 3 / 4 / 5 / 6
• BEC: 5V 2A / 3.3V 0.5A
• Input Voltage: 7.4V - 24V (2-6S LiPo)
• Dimensions: 25 × 23 × 8 mm
• Mounting: M2 16x16 mm
• Weight: ~3 g
• ESC:
• ESC MCU: BB21F16G
• Continuous Current: 20A
• Input: 2-4S LiPo
• Supported Protocols: PWM, Oneshot125, Oneshot42, Multishot, DShot150, DShot300, DShot600
• Dimensions: 27 × 33 mm
• Mounting: M2 16x16 mm
• Weight: 4.5 g
• Power LED: Yes
• Package Includes:
• 1 × GOKU GN405 Nano HD Flight Controller
• 1 × GOKU BS 20A V3 ESC

Applications

This stack is ideal for building custom FPV racing drones, freestyle quads, and lightweight cinematic drones. Its compact size and integrated ELRS make it suitable for micro builds where space and weight are critical factors. It's also a great choice for pilots looking to upgrade their existing small FPV rigs with advanced control and reliable connectivity.

Compatibility

The FLYWOO GOKU GN405 Nano HD 20A V3 Stack is designed for use with 2-6S LiPo batteries for the flight controller and 2-4S LiPo for the ESC. It features multiple UART ports for connecting receivers, GPS modules, and other peripherals. The 16x16mm mounting pattern with M2 screws ensures compatibility with a wide range of modern micro FPV frames. The integrated ELRS 2.4GHz receiver offers broad compatibility with ELRS transmitters.

FAQ

What is the FLYWOO GOKU GN405 Nano HD 20A V3 Stack with ELRS?

The FLYWOO GOKU GN405 Nano HD 20A V3 Stack is an integrated flight controller and 20A ESC designed for micro FPV drones. It features an F4 MCU, ICM-42688P gyroscope, and built-in ELRS 2.4GHz for reliable control.

What are the key technical specifications of this FPV stack?

The stack uses an STM32F405 BGA MCU, ICM-42688P gyro, and has a 20A continuous current ESC. It supports 2-6S LiPo input for the FC and 2-4S for the ESC, with a 16x16mm mounting pattern.

Who is the FLYWOO GOKU GN405 Nano HD 20A V3 Stack for?

This stack is ideal for FPV pilots building lightweight micro drones for racing, freestyle, or cinematic applications. Its compact size and integrated ELRS make it perfect for space-constrained builds.

Does HTDRONE offer fast delivery for this FPV stack?

Yes, HTDRONE offers fast delivery within Poland. We also provide worldwide shipping via DHL for international customers, ensuring you receive your FPV parts quickly and reliably.

Where can I buy the FLYWOO GOKU GN405 Nano HD 20A V3 Stack?

You can buy the FLYWOO GOKU GN405 Nano HD 20A V3 Stack directly from the HTDRONE online store. We offer competitive prices and reliable shipping for all your FPV needs.