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DYS F4 Pro V2 Flight Controller

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Brief Introduction:

  • DYS F4 PRO V2 flight control with high performance which is designed for FPV hobbyists. Not only combine PDB board together with flight control, but also integrated OSD, current sensor, voltmeter and built-in high power BEC etc functions.

  • DYS F4 PRO V2 flight control can meet all the functions you need include FPV racer, aerobatic flight and aerial photograph.

Basic Functions:

  • Betaflight “DYS F4 PRO” firmware

  • STM32F405 master with higher refresh rate and more function ports

  • 5V 3A BEC output; 9V 1.2A BEC output; 3.3V 0.3A BEC output

  • Compatible all split-type escs, connect with DYS 4-in-1 esc (F20A or F30A) with flexible flat cable

  • Support BF setting software to flash and debug OSD

  • Integrated current sensor to monitor the power consumption etc in real time Use remote control to view flight control parameter through OSD

  • Support SAMRT AUDIO, adjust the VTX by OSD

  • Comes with heat resistance damping ball to upgrade the stability and operation

  • 3-6s lipo input, integrated PDB, max withstand current 160A

  • Net weight 10.5g exclude the cable

  • The refresh rate of PID and gyro up to 8K


  • Whole size: L 38mmX W 38mm, hole distance 20X20mm
  • Six-layer PCB board and 3OZ copper to enhance the over-current and heat dissipation

  • PDB board with reverse high voltage protection circuit

- MCU: STM32F405 GRT6

- IMU: MPU-6000

- OSD: AT7456E

- FLASH: 8M memory

- Current sensor: 0-200A

- Added S5,S6 motor control signal (support 6 axis feature once firmware upgraded)

- Integrated reverse high voltage protection circuit

- Integrated circuit protection to USB port

- 3.3V LDO to power on internal circuit

- 9V BEC: 1.2A

- 5V BEC: 3A/ one-way output to avoid external interference

- When use with 4-in-1 esc, plug in the battery to supply the flight control instead of BEC


V+ V- : For esc power cable

S1-S6: For GND of the corresponding esc signal cable

BOOT: BOOT button ( for firmware flash)

5V: 3A output, can connect with VTX, receiver, lens etc 5V power device at the same time

9V: 1.5A output, can connect with wide voltage device, such as 7-24V power VTX etc.

3.3V: Power supply for DSMX etc 3.3V power device

GND: Negative Vout: Video output for VTX image signal cable

Vin: Video input for camera signal cable

LED: Programmable LED signal cable output

RX1: For sbus etc receiver

PPM: For PPM receiver signal pad

USart6 tx: Smart Audio set the VTX function( The VTX should support to use Smart Audio function)

BAT+/BAT-: Battery voltage

Buzz-Buzz+: Wiring for buzzer

Installation with DYS 4-in-1 esc (optional):

Connect DYS F20A or F30A with flexible flat cable, no need to solder

Note:Please mount the F4 PRO V2 with the 4-in-1 esc as pic shows. Be attention that do not avoid damage the socket

While using with 4-in-1 esc:

  • Please solder the battery power cable with esc power cable, do not connect with battery
  • The current meter will be no use when use with 4-in-1 esc
  • With voltage detection for battery


Please be attention to below notice, otherwise your flight control will work improperly or damage

  • Please be always attention for the polarity. Double check before power on
  • Please keep the power off while plug or pull or any connection
  • Do not short the 5V or battery port, otherwise the flight control will be burnt
  • After finished assemble, please check carefully and clean the residual solder splash to avoid short the components.
  • Please mount the damping ball on the flight control (Equipped with accessory bag).
  • If connect with 4-in-1 esc, please ensure the installation connect properly. Please do not force to plug or pull

Warranty, Returns & Support

Warranty Information

We truly thank you for your purchase, and when things go wrong, we are here to help in any way that we are capable of doing so.

In regards to any warranty related matter, please reference the below information to help understand our warranty policies, as these warranty policies are absolute when it comes to any purchase made via HeliDirect.

Warranty Time Frame

Regarding product(s) purchased via HeliDirect, each manufacturer has their own specified warranty time frame, and HeliDirect holds the sole right to direct the customer to the manufacturer for stated warranty support in regards to manufacturer's that require direct level warranty support.

Our stated (14) day return policy directly relates to brand new, unused products being returned for a refund or store credit, and does not relate to warranty related situations for faulty product(s). Faulty, damaged or problematic items are handled upon a case by case basis, and will be detailed below based upon the warranty options available.

Our team at HeliDirect is highly motivated to assist in every possible way regarding warranty support, but please be 100% aware that warranty support for the product(s) you have purchased may be handled directly via the manufacturer, and not through HeliDirect.

If your product(s) involve direct manufacturer support, we are still available to assist. We ask that the customer make the initial manufacturer contact for warranty support, but in the case where a manufacturer response is not receive within (5) business days, HeliDirect will step in upon your behalf, utilizing our channels to assist you with this manufacturer based support.

In the above case, HeliDirect will do everything in our power to make sure the manufacturer assists you directly, but please note that all such warranty in regards to an issue like this will still be directed through the manufacturer.

Warranty Related Issues

Please note that HeliDirect is not a warranty repair center, nor do we offer warranty regarding many items we resell. Product(s) purchased via HeliDirect are subject to the original vendor’s repair / replacement warranty policies & timelines, and will be directed to the manufacturer at our discretion.

HeliDirect will not assume responsibility and / or liability for any manufacturer defect, or damage due the use / misuse of the product(s) purchased. Further, HeliDirect cannot / will not be held liable for ancillary damage to product(s) based upon a manufacturer fault or defect. All such issues will be dealt with at the manufacturer based level.

If your item is found to have a fault or defect after installation or use, your product may be subject to warranty repair via the original manufacturer, no matter what the purchase date may be. HeliDirect does not cover repair, replacement or warranty via used / installed products. All such issues will need to be dealt with at the manufacturer level.

Damage Due to Ancillary Product Failure

In regards to damage that directly results to a failed product installed in conjunction with another product, we are happy to assist in terms of warranty support for the product that has failed, but please be aware that we cannot be held liable for ancillary damage to other items or components that may have been damaged due to the original product failure.

Warranty Returns

If your product is approved by our customer service staff as a valid return that we will handle directly, please note the below information regarding all such approved warranty items sent to HeliDirect.

- Any item(s) approved for return to HeliDirect will be subject to inspection and or testing to verify the noted information provided by the customer regarding the flaws, faults or damage.

- Due to the various aspects of testing, repair and other return processes, please be aware that any such approved return will require (2) to (5) business days for proper processing. Our staff will certainly do all that we can to reduce this time to the bare minimum, but please be aware that the return process can take up to (5) business days to complete.

- If the product(s) approved for return are deemed faulty by our returns specialists, we will proceed with a repair, exchange, credit or refund based upon the situation at hand. All such information will be communicated to the customer before any re-shipment is made.

- If an item that encounters a warranty issue after usage, HeliDirect may opt to repair the product versus an exchange, as exchanges can only be made for valid warranty relating to products that have no use of flaws. Our staff will be sure item is in 100% working order based upon any repairs, but exchanges, credits or refund cannot be offered for items under warranty that have been used and are no longer able to be sold as new.

- In the case of product(s) returned to us that test to be non faulty, the product(s) will be returned to the customer in the condition received. Our staff will reach out to the customer with necessary information regarding what may have been missed, and what steps to take in order to utilize the product(s) effectively.

- For non faulty diagnoses of returned product(s), refunds, store credits or exchanges cannot be offered, as the product(s) received cannot be sold as new and unused.

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