That’s good, then I don’t need to worry about being responsible for crashing your drone with untested FW 
Highly recommended for the setup and tuning part: How to methodically tune (almost) any multicopter using ArduCopter 4.4.x
No, you’re way off the hook. I used the Ardupilot WIKI to configure and set parameters. I believe I’ve got all set right. I’ll look at the guide you sent me and see what else I can learn. I even made a “proof of concept” test flight this afternoon. All went well, though it’s gusty windy here today, so hard to hold a position. I’m very happy with where I’m at, now to learn to fly!
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Same problem here with a brand new Matek F405-WTE (with SD card) that I just purchased. Tried to load https://firmware.ardupilot.org/Plane/stable/MatekF405-TE-bdshot/arduplane_with_bl.hex first with STM32 Cube Programmer but I had the exact same symptoms:
- Notification about the first memory locations being empty (something along those lines)
- DFU mode worked fine and flash appeared successful otherwise
-As soon as I rebooted the device, no COM port in Windows 11 (nothing recognized in device manager at all)
I tried loading the same FW file in Betaflight Configurator but got a similar warning about the memory locations not lining up as expected.
I then tried loading the same FW file in INAV configurator and it worked! As soon as I rebooted, the COM port showed up and I was able to connect to MP.
Hello. Had the same problem with non-existent sectors and No COM port after ArduPilot install, but with SpeedyBee f405 v3. Downgrading STM32CubeProgrammer 2.16.0 to 2.15.0 helped.
hey buddy, feel your pain becuase i just went through it for quite a while with a speedy bee f405wing (very similar board). The problem was the flashing tool…
After many tries flashing with SMT32cube in version 2.16.0, tried two boards, all windows versions and drivers, speedybee support suggested flashing using inav and worked at first try.
fishkass is also onto something.