Poly F405 2S-4S AIO


Versatile and High-Performance AIO
F405 MCU | FD6288 chip | High Quality 20A Mosfets
5UARTs Available | 8 Motors Output | Blackbox and Current Meter Onboard

Availability: In stock

SKU: TR-FC-F005 Category:

Versatile and High Performance AIO for Micro Community

This Poly F405 2S-4S AIO is designed for FPV micro community and it’s made to be super versatile, so pilots can use this AIO board in different builds like agile toothpick or long range quad or creative X6/X8 quads. So this AIO board is integrated blackbox, current meter and features 5 UARTs to suit needs for different builds. Apart from versatility, we have made this AIO board high performance to make sure it could hold up well on powerful quads. To achieve this goal, this AIO board comes with powerful F405 chip and high quality 20A mosfets and excellent heat dissipation ability.

Versatility Makes Possibility for Different Builds

5UARTs Available | 8 Motors Output | Blackbox and Current Meter Onboard
The Poly F405 AIO board has 5 UARTs available and many interfaces, you can take advantage of them to add external buzzer, GPS module, barometer and etc. Furthermore, this board also features EIGHT motor outputs, definitely a perfect option for x8 quad fans! And for sure, we don’t forget advanced users, 4MB blackbox and current meter are already onboard for Betaflight tuning.

High Performance for Better Flying Experience

F405 MCU | FD6288 chip | High Quality 20A Mosfets
With fast 168MHz processing power and 1MB flash memory, F405 chip is a strong core of the AIO board, you could enable RPM filtering or dynamic idle and other features in Betaflight without worrying about if the MCU is overload.
FD6288 chip and high quality 20A mosfets and excellent heat dissipation design make this aio board hold up well for hardcore freestyle flying.

Preflashed with Bluejay

Bluejay is an open source esc firmware. One of the appealing features it comes with is Bidirectional Dshot and RPM filtering, which can improve flight performance a lot. Kudos to devs from Bluejay for their hard work. You can find more detailed information on Github 

F405 is a good balance in terms of frequency, memory and IO

Compared with F405 and F722, F405 has strikingly good performance on flash memory. Since Betaflight is developing fast and packed with more features, the limited 512K flash memory of F411 and F722 is becoming insufficient for Betaflight, the devs from Betaflight have to cram the Betaflight to F411 and F722. The larger flash memory of F405 is good for devs and pilots alike.

Note: “IO” stands for input and output.

Pilots Thoughts on the Poly F405 AIO

Review List
Infinity Loops Poly F405 Rip & Review
Quad66 Madien Flight Video
Quad66 Overview Video

Hardware Specs

  • FC MCU: STM32F405RGT6( Cortex®-M4 168Mhz )
  • Built-in OSD: AT7456E
  • Built-in IMU: BMI270
  • Built-in 4MByte Blackbox
  • Built-in Current Meter
  • ESC MCU: EFM8BB21 ( 8bit 50MHz )
  • UART: UART1 ( for VTX by default ), UART2, UART3, UART4 ( supports SBUS ), UART5 
  • Other interfaces: IIC ( IIC2 ) , LED_Strip, Buzzer
  • The through holes for power lead: big enough to fit 16AWG wire
  • 8 Motor Outputs ( The onboard esc have been used for 4 motor outputs. You can add 4 external esc if you want to use the other 4 motor outputs )

Electronics Specs

  • Input Voltage: 6.50-20.0V( 2S-4S LIPO/LIHV )
  • Power Output: 5V 2A
  • Continuous Current: 20A
  • Peak Current: 28A
  • FC Betaflight Target: TUNERCF405
  • ESC Firmware: Bluejay P-H-25

Motor Size Supported

  • 11xx, 12xx, 13xx, 14xx

Recommended Capacitor 

  • A 35V 220uf capacitor is included. A 35v 220-470 uf capacitor with low ESR is recommended if you want to swap the default one.
  • Size: 33mm x 33mm
  • Mounting Holes Pattern: 25.5 x 25.5mm   Room for M3.5 grommets to make M2 mount
  • Weight: 5.8g
Note for Firmware Update

You ONLY need to plug in the USB when flashing ESC or flight controller firmware on the Poly. You do not need to plug in the battery. The reason why we recommend doing this is that this is helpful to eliminate the possibility of ESC being damaged during the firmware update.

To be more specific, when the BB21 chip ( the ESC MCU)  is in the process of firmware update, its output pin is out of control, which may cause damage to the ESC.

Note for Receiver and VTX Setup

Please power up the receiver and VTX by the battery during the binding and setup process. Because the 5V from USB does not power the receiver and VTX.

Note for Buzzer Choice

Only the buzzer with a built-in drive circuit can be used on this AIO flight controller. A common micro buzzer (that only has two legs and without PCB board) is incompatible with the Poly F405 2S-4S AIO. We have released the buzzer with a built-in driver circuit. Buy it here.

The Poly F405 board is suitable for lightweight toothpick quads, X6/X8 quads and micro cinewhoops.

To be more specific, any micro builds with 11xx, 12xx, 13xx and 1404 motors are supported by the Poly boards. The maximum motor the Poly board supports is 1404 sized motor.

The following are our recommended builds with Poly boards that are loved by pilots and proven to fly well.

Click the pilots names below to check out the build pictures/flying videos and more detailed parts lists.

2.5 inch 2S Analogue Setup by Quad66

  • 1202.5 11500kv motors
  • 2512-3-blade props
  • 2S 550mah battery
  • Poly F405 board
  • WarPig 114 Gen 5 Zero frame designed by Quad66

2inch 2S Analogue Setup by FerFPV

  • 1102 13500kv motors
  • 2015 bi-blade props
  • 2S battery
  • Poly F405 board
  • Babyturtle carbon fibre frame designed by Sub250gFPV

3inch 4S Analogue Setup by TUNERC

  • 1104 3600kv motors
  • 3016 3-blade props
  • 4S 300mah battery
  • Poly F405 board

3inch 3S Analogue Setup by Infinity Loops

  • 1202 6500kv motors
  • 3018 bi-blade props
  • 3S battery
  • Poly F405 board

3inch 3S Walksnail Setup by T0t0FPV

  • 1303 motors
  • 3018 bi-blade props
  • 3S 560mah battery
  • Poly F405 board

3inch 4S HDZero Build by Sub250gfpv

  • 1404 3800kv motors
  • 3016-3-blade props
  • 4s 380mAh battery
  • Poly F405 board

3.5inch 4S HDZero Build by whitefoxx fpv

  • 1404 motors
  • 3.5inch 3-blade props
  • 4S battery
  • Poly F405 board

4S Caddx Vista Digital Cinewhoop by mfj127

  • 1404 4600kv motors
  • D63-3-blade props
  • 4S 850mAh battery
  • Poly F405 board
  • 1 * Poly F405 2S-4S 20A AIO
  • 1 * XT30 pigtail with 18awg wire
  • 1 * 35V 220uf capacitor 
  • 6 * black grommets

Shipped from Warehouse in Shenzhen, China
All of the orders placed on our website will be packaged and shipped from our warehouse in Shenzhen, China.

Shipping Methods & Duty Fee
We offer standard registered mail shipping to all countries and DHL express shipping to certain countries. FYI: if you can’t see the DHL option on the checkout page, that means we don’t provide DHL shipping service to your country at the moment. You don’t need to be worried about paying the duty fee if you are located in the European Union countries, because we have already paid the VAT in advance.  But if you are located in the UK, you may have to pay the duty fee.

Detailed ETA
DHL: 5-7 days
Registered Air Shipping: 7-12 days for countries like the US, European countries, Japan, Korea and other southeast Asian countries. For detailed ETA, please check out our support article here.
Either you choose DHL or registered air shipping, you'll get a tracking number and a tracking link via email after we ship out your orders. So you can keep track of the parcel all the time.


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