Overview
The Flywoo GOKU F405 SE 3-4S 20A AIO is a 20×20mm all-in-one flight controller with integrated 4-in-1 ESC, designed for 2"/2.5" micro HD FPV builds and plug-and-play wiring for HD VTX systems such as DJI O4 / O4 Pro. Dual independent BEC outputs support direct HD air unit power on 3–4S without an external BEC.
Key Features
- MCU: STM32F405BGA
- Gyro: ICM42688P / MPU6000
- Integrated 4-in-1 ESC: 20A continuous / 25A peak per channel
- Input voltage: 3–4S LiPo
- Dual independent BEC: 10V/2A + 5V/2A
- On-board storage: 8MB flight black box
- Interfaces/ports: HD VTX, receiver, GPS, Bluetooth, buzzer; bottom Type-C
- Plug-and-play peripheral ports; only motor & power wires require soldering
- 6-layer gold-plated PCB; operating temperature: -20°C to 50°C
- Compatible drones: Firefly 25mini 3S, Firefly 20pro 4S, 2" / 2.5" micro FPV drones
Specifications
| Product Model | GOKU F405 SE 3-4S 20A AIO |
| MCU | STM32F405BGA |
| Gyro | ICM42688P / MPU6000 |
| ESC | 4-in-1, 20A continuous / 25A peak per channel |
| Input Voltage | 3–4S LiPo |
| BEC Output | 10V/2A + 5V/2A dual independent |
| Mounting Holes | 20×20mm standard |
| Net Weight | 6.5g |
| On-Board Storage | 8MB flight black box |
| Interfaces | HD VTX, receiver, GPS, Bluetooth, buzzer ports; bottom Type-C |
| FC Firmware | Betaflight Firmware: FLYWOOF405S_AIO INAV Firmware: FLYWOOF405HD |
| Compatible Drones | Firefly 25mini 3S, Firefly 20pro 4S, 2" / 2.5" micro FPV drones |
| ESC Firmware | G_H_30_48KHz_Bluejay |
What’s Included
- 1 × GOKU F405 SE 3-4S 20A AIO
- 5 × M2X10 cup head screws
- 5 × M2 nylon nuts
- 5 × M2*6.6 shock-absorbing balls
- 1 × 220uF 25V capacitor
- 1 × XT30 Male 18WG power cord
- 1 × Buzzer connection cable
- 1 × GPS connection cable
- 1 × O4 / O4 Pro connection cable
- 1 × Receiver connection cable
For pre-sales compatibility questions or after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.
Manuals
Details

The Flywoo GOKU F405 HD SE 3–4S 20A AIO board combines a flight controller and 4-in-1 ESC with multiple plug connectors for clean wiring on micro HD builds.

The Flywoo GOKU F405HD SE AIO combines an STM32F405 controller, 4-in-1 20A ESC, ICM42688P gyro, and 8MB blackbox with labeled plug connectors for a tidy build.

Dual independent 10V/2A and 5V/2A BEC outputs support direct plug-in power for DJI O4/O4 Pro, Walksnail, or HDZero VTX on 4S.

The Flywoo GOKU F405 SE AIO combines an FC and 20A 4-in-1 ESC with labeled plug ports for RX, VTX, GPS, and buzzer to simplify wiring.

The Flywoo GOKU F405 SE AIO features a 6-layer gold-plated PCB and is rated for 20A continuous operation with a -20°C to 50°C temperature range.
Related Collections
