Airbot OMNIBUS F4 Pro v2 Firmware Update Manual
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Airbot OMNIBUS F4 Pro v2 Firmware Update Manual

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OMNIBUS F4 Pro(v2)
Pro version of OMNIBUS F4 v2, using F405 with SPI Gyro
MPU6000, SD Card as blackbox on SPI bus too.
Classic OMNIBUS design, using F4 MCU controls OSD over
SPI bus in DMA mode, OSD Configation has been incl. in
Betaflight GUI.
Build in BEC and current sensor
Supported by BETAFLIGHT and iNAV
•
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
•
with BARO (BMP280)
•
SPI Sensor MPU6000

Firmware update

OMNIBUS F4 Pro has been supported by Betaflight v3.1, you can use Target "OMNIBUS F4SD" to update the
firmware.

Pin map

Notice:
1. PWM5 could be used to drive WS2812B LED (Only works from Betaflight v3.1)
2. Buzzer works from Betaflight v3.1 too
3. for OMNIBus F4 pro, no resistor need to be changed

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Summary of Contents for Airbot OMNIBUS F4 Pro v2

  • Page 1 OMNIBUS F4 Pro(v2) Pro version of OMNIBUS F4 v2, using F405 with SPI Gyro MPU6000, SD Card as blackbox on SPI bus too. Classic OMNIBUS design, using F4 MCU controls OSD over SPI bus in DMA mode, OSD Configation has been incl. in Betaflight GUI. Build in BEC and current sensor Supported by BETAFLIGHT and iNAV • 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 • with BARO (BMP280) • SPI Sensor MPU6000 Firmware update OMNIBUS F4 Pro has been supported by Betaflight v3.1, you can use Target "OMNIBUS F4SD" to update the firmware. Pin map Notice: 1. PWM5 could be used to drive WS2812B LED (Only works from Betaflight v3.1) 2. Buzzer works from Betaflight v3.1 too 3. for OMNIBus F4 pro, no resistor need to be changed...
  • Page 2 How to use the onboard USB port updated firmware in GUI on windows To flash the firmware you have to enter the so called DFU mode. On Windows 10 I had to use a tool called Zadig (download and start it) to be able to switch drivers for DFU mode to work.

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