Oversky MUL A FC Firmware update

BEWARE! execute at own RISK, this is a DIY project, no warranty. :)

The FC (flight controller) firmware update on the Oversky MUL A board is the first mandatory update you need to do. This is the first and easiest step on getting this FC board to work ano 2023.
The FC is shipped with Cleanflight version 1.12. The PC software (cleanflight configurator) for configuring this CLFL version is depricated and if you can still find it, it will probably not work on your modern operating system (Win 10/11).

step one: download and install the Cleanflight Configurator software on your PC. I tested the version 2.2. You can try a newer version, but v2.2 works on my win 10/11 desktop. you can download this version here

step two: Start the Cleanflight Configurator software. by default the COM1 port wil be selected.

step tree: Connect the FC to your PC via usb.

make sure to set the switch on the flight controller board to FC.

The board does not need to be conntected to the PDB and the RC module does not need to be plugged in.

Just connect the FC board with an USB cable to your PC.

The leds on the FC board will start to flash and the buzzer will make some beeping noise.

The Cleanflight Configurator on your PC will detect your device and change the COM port.
In my case it's COM3, but on your PC it might be another COM number.

Now hit the connect button. The software will try to connected. It will show you the Cleanflight Firmware version of the FC board. It should be v1.12. The connection will fail because this firmware version is to old.




step four: Flash the new firmware

click on the firmware tab

select the correct firmware.
- NAZE
- CLFL V2.2.0
(you can try another version at your own risk, but this one is working fine for me)

- click on the "load firmware online" button.
- wait until you see the "online firmware loaded" message

- click on the "flash firmware" button.
- the firmware is now being flashed and verified
- wait until you see the "programming SUCCESFULL" message

- the Flight Controller is now updated with the CLFL V2.2 firmware. This firmware is comatible with the Cleanflight Configurator software. - Now click on the connect button and you can start configuring the FC board. (make sure the FC switch is set to FC and not OSD)