Home Assistant OS- expose serial interface

Dear all,

Hardware: RPi 4 4GB, RaspBee II by Dresden Elektronik

I just switched from the docker container to Home Assistant OS on RPi4 by burning the Image from


In the docker container I was able to access the RaspBee II on device /dev/ttyS0
But now I can only select /dev/ttyAMA0 and ZHA is not detecting RaspBee anymore.

Do you have any idea, how RaspBee2 can be accessed through the Serial interface?

Best regards,

The solution from this thread didn’t work for you?

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Thanks for the hint! I did not find the thread.
The only difficulty was finding the config.txt on the boot partition