ThWoell

Just install a pair of jumper connectors as shown on the frontpage of instructions leaflet. The motors will be connected in serial to the driver, so missing the jumper connectors...

Count me in, updating via sd-card only sucks...

if you own a st-link, try the generic out of them: https://github.com/zoobab/STM32duino-bootloader it is a fork of the original with longer waiting time (1o sec.) for begin of dfu-upload

It seems there is a Bootloader installed, in the Arduino IDE (on MAC OS-X) the board will be identified as maple-mini after installing the stm32 tools from rogerclarkmelbourne... since the...

@3DSmitty: Sorry I have to ask again (being new to the world of STM32): You wrote the bootloader works always in DFU mode, but on which interface? USB, Serial, JTAG?...

Just to clarify: My Board is "as delivered" with the original bootloader. It is possible to communicate with the Printer over the USB-Interface e.g. with Pronterface or the Arduino. I...

At the moment nowhere but on your board... Since the opening of this thread, no one from Bigtreetech jumped in.

Since i have just adapted my config.h and config-adv.h to work wit the machine is it possible just to copy this files into the marlin source directory? thanks for helping...

Now I used the latest Version of Marlin Bugfix Branch; after minor changes in config.h regarding power control, it worked out; but it is not possible to use the sd-card...

WORKS!