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Omnibus F4 V3 Flight Controller

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Product Description

The omnibus series of flight controllers are known to be the best all in one integrated flight controller, using the best selection of sensors and parts at a great price and small form factor.  Now the latest addition to the series uses the performance STM32 F405 MCU.  The omnibus F4 still uses the MPU6000 over SPI for the super fast gyro updates to keep up with the fast F4 MCU, allowing you to run your betaflight/raceflight control loop insanely fast.  This gives you the extra edge when racing your FPV quadcopter.

The AB7456 OSD chip (an upgraded MAX7456) allows for direct configuration and updates directly within betaflight.  This OSD chip uses much less power than the older MAX7456 OSD Chip, but the main benefit is that it can be configured directly within betaflight, no need for an external FTDI, or jumper switches.   In addition the omnibus F4 includes a high performance 5V, 1.5A STM L78 voltage regulator which help filter the power and adds voltage protection to the board, however this should not be used to power your board directly via a flight battery as you should still use an external 5V BEC.  

The V3 fixes some of the LDO problems of the V2, so now you can power this board directly from your battery

Key Features

  • Flight controller designed specifically for betaflight
  • SmartAudio V2 Support, control your VTX power, channel via the airbot OSD (only supported VTX like the TBS Unify Pro)
  • SD card reader so you can log data to your hearts content (need to buy a micro SD card)
  • Solder jumper selector for PPM/SBUS receivers (no need to remove resistors)
  • BMP 280 Baro included as standard, runs on SPI bus
  • Official target within betaflight firmware updater for easy updating (OMNIBUSF4SD)
  • Latest generation STM32 F405 MCU (168Mhz)
  • MPU6000 connected via 75Mhz SPI bus
  • Compatible with both SBUS, PPM and DSMX receivers
  • AB7456 OSD directly configurable via betaflight GUI


  • STM32 F405 MCU, Runs Betaflight 3.0 firmware

  • SBUS/PPM input (Pinheaders)

  • 6PWM output (1-4Pinheaders and Sh1.0 Plug, 5-6 as Pinheaders)

  • Only 36x36mm, mount holes 30.5x30.5mm

  • BMP 280 Baro

  • SPI Sensor MPU6000

  • 128Mbit Flash

Kit Contents

  • 1x Omnibus F4 Flight controller

We do not include nay pin headers with this board, but we do sell them separately, you will also need to get a micro SD card if you want to use blackbox logging.

Zadig Drivers

If you have problems connecting to the board, or uploading new firmware the best fix is to use the zadig driver tool.

  • Push BOOT button on the flight controller.
  • Plug-in the USB cable (the red LED should not be as bright as normally).
  • Fire up Zadig and hit “Options” and then “List All Devices”.
  • From the list choose “STM32 BOOTLOADER”.
  • Under “Driver” choose “WinUSB” on the right and hit “Reinstall Driver”.

For more information check out our zadig driver tool tutorial

Omnibus F4 Pinout



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