So you want to run Klipper on your BIQU BX? Well too bad it's not supported.... but I do have some good news. I have a preliminary branch ready to submit to Klipper to support the BIQU BX. Here's what you need to know in order to get started.
NOTE: If you have a V3 board, click here
_**UPDATE: The Biqu BX is now supported in mainstream klipper!
NOTE: CAN will not work on this board due to a hardware mis-configuration
NOTE: I2C is not quite working yet!