Flywoo GOKU F405 HD 3-4S 20A AIO Flight Controller w/ ELRS 2.4G, O4/O4 Pro Plug&Play
Flywoo GOKU F405 HD 3-4S 20A AIO Flight Controller w/ ELRS 2.4G, O4/O4 Pro Plug&Play
Flywoo
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Overview
The Flywoo GOKU F405 HD 3-4S 20A AIO is an ultra-light all-in-one board for 3S/4S micro HD drones, combining an STM32F405BGA flight controller, a 20A 4-in-1 ESC, and an onboard ELRS 2.4G receiver with TCXO. It supports O4/O4 PRO VTX direct plug-in, includes 16MB black box, barometer, current meter, and an electronic switch for VTX power control.
Key Features
- 5.2g ultra-light, designed for 3-4S micros (tailored for 2-3" 3S/4S micro racing drones).
- O4/O4 PRO VTX Plug-n-Play, no solder: supports direct HD VTX plug-in, no extra power or soldering (for 4S, O4 needs 5V BEC).
- BAT electronic switch prevents VTX overheating and burnout: supports remote power control via RC; enables easy VTX power on/off to protect the VTX when unloaded.
- High-performance MCU: STM32F405BGA + ICM42688P gyro for low-latency control; the ICM-42688P gyro is described as providing stable attitude control and low temperature drift.
- 20A ESC power for stable 3-4S output: high-grade MOSFETs & optimized circuit; smooth, responsive power with zero throttle lag and reliable performance.
- All-in-one integration: onboard ELRS 2.4G RX with TCXO, 16MB black box, barometer, current meter.
- Expansion: black box expansion and GPS sockets; also described as rich onboard pads with direct solder for HD VTX / Blackbox / GPS.
For wiring, setup, or compatibility questions, contact support via https://rcdrone.top/ or support@rcdrone.top.
Specifications
Flight Controller / AIO
| Product Name (listed) | GOKU F405 HD 1S 12A AIO |
| MCU | STM32F405BGA |
| IMU | ICM42688P |
| Barometer | SPL06 |
| Black Box | 16MB |
| OSD Support | No |
| UART | UART1(elrs).2.3.4.UART5(sbus).6 |
| Protocols | CRSF, SBUS, iBus, Spektrum |
| BEC | 5V 2A |
| BF Firmware | FLYWOOF405S_AIO |
| INAV Firmware | FLYWOOF405HD |
| Dimensions | 30*30mm*10mm |
| Mounting Holes | 25.5*25.5mm |
| Weight | 5.2g |
Onboard 4-in-1 ESC
| Power input | 3-4S lipo/lihv |
| Current | 20A continuous |
| ESC firmware | G_H_30_48KHz_Bluejay |
| Digital signal protocol | DShot300, DShot600 |
| Motor Connector | JST1.25 |
| Battery connector | XT30 |
On Board ELRS2.4G RX
| MCU | ESP8285 |
| RF Module | SX1280IMLTRT |
| Maximum receive refresh rate | 500Hz |
| Minimum receiver refresh rate | 25Hz |
| Serial | UART 1 |
| Firmware | Flywoo EL24P 2400 RX (3.x.x) |
What’s Included
- 1x GOKU F405 HD 3-4S 20A AIO
- 1x Flywoo ELRS 2.4g Minimortal PCB T Antenna UFL--40mm
- 5x M2*6.6 shock-absorbing ball
- 1x connector cable for Flywoo black box / GM10 GPS Nano
- 4x M2*10mm screws
- 1x XT30 power cable
- 1x connector cable for O4 / O4 Pro
- 1x 220u 25V capacitor
- 4x 1.25mm 3-pin vertical straight socket
Applications
- 3S/4S micro HD drones
- 2-3" micro racing drone builds
Manuals
Details
Flywoo GOKU F405 HD 3–4S 20A AIO combines the flight controller and ESC with an ELRS antenna and tidy plug-in connections for easier builds.
The Flywoo GOKU 3–4S F405 AIO combines a lightweight AIO layout with built-in ELRS and 20A 4-in-1 ESC support for compact HD builds.
The GOKU F405 HD AIO is built around an STM32F405BGA processor with an ICM-42688P gyro for stable attitude control.
The 5.2g all-in-one flight controller uses a 25.5×25.5mm mounting pattern to fit compact 2–3 inch micro builds.
The built-in BAT electronic switch lets you turn VTX power on or off from your radio to help avoid overheating when the quad is sitting powered on.
The AIO flight controller integrates a 20A ESC with stable 3–4S output for compact drone builds.
The compact F405 HD AIO layout provides labeled pads and plug-in connections to wire GPS and HD video gear neatly.
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