The flight controller implements a number of critical low-level behaviors.

Installing Cleanflight Configurator (CFC)

Connecting to the FC

Bringing the FC software up to date

You can now install the newer Betaflight Configurator.

Installing Betaflight Configurator (BFC)

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• Follow the instructions on the developer’s website to download the latest Betaflight configurator: https://github.com/betaflight/betaflight-configurator/releases (scroll down for download links):
  

  • macOS: https://github.com/betaflight/betaflight-configurator/releases/download/10.8.0/betaflight-configurator_10.8.0_macOS.dmg

  • Windows: https://github.com/betaflight/betaflight-configurator/releases/download/10.8.0/betaflight-configurator_10.8.0_win64-installer.exe

  • Ubuntu: https://github.com/betaflight/betaflight-configurator/releases/download/10.8.0/betaflight-configurator_10.8.0_amd64.deb

Connecting to the FC

1. Unplug the battery

2. Disconnect the Raspberry Pi from the FC

3. Connect the mini USB cable to your FC and to your base station

4. Run the BFC on your base station

   1. Verify the version on the top left of the black and yellow window popping up. It should 10.8.0 (Sec9465)
      

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5. Verify the recognized devices in the top right corner. You should see (depending on your OS)
   

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6. Navigate to “Options” on the left column and activate “Permanently Enable Expert Mode”

7. Go back to the “Welcome” page

8. Press on “Connect” (top-right corner)

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• Find your FC firmware version (top-left or bottom-right)
  

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• Keep an eye on the FC “CPU Load”. This tells us how much effort the onboard microcontroller on the FC is busy. We should never let it go above 40% with chosen settings, with lower being better.

Bringing the FC software up to date

1. Verify the

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