Hi there Paf,

You are totally right, when using klipper, the board doesn’t do any processing anymore. It becomes dumb and transfert the input signals to the pi and output signals to the motors etc…

A board not powerful enough for anything can do evrything under klipper if compatible. (some cpu was not compatible last time I checked 2 years ago, it may have changed). The awesome thing with klipper is that it can be compatible with the original motherboard and you can add resonance compensation just by plugging a pi. But that’s not OP problem as he needs a new board.

For me, Klipper had been a great discovery and I can’t think to go back simply due to the easy way of changing the config files compared to recompiling everything in Marlin.