Radek

I thought you only had trouble reading the E0 thermistor If the processor does not boot, you will have no choice but to replace the processor or buy a new...

good luck Czech Republic https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20211012125147&SearchText=STM32F103RCT6

What's your problem?

This will help you. 

Yes it is possible. But you have to power the board 24V. this will provide 24V for the motors. Fans and heating nozzles and the bed can then supply 12...

The SKR PRO board even has a separate power supply for the motors. Then there is nothing to solve :-)

Did you solve your problem? If so, close the ticket

Check the stepper motor coils. If the engines are OK. Try to comment in the Marlin configuration // #define CLASSIC_JERK this will enable Junction Deviation and you could get rid...

So this amused me. :-) And how does this relate to SKR PRO V1.1?

You're using a pretty old Marlin. I would not downgrade to version 1.1.9 I would upgrade to the latest versions.