following instructions use nRF Connect Programmer, but you can also use the command-line tool nrfjprog (which is part of the nRF Command Line Tools). The filename of the firmware for the MMU2S is ‘prusa3d_fw_MMU2board_x_x_x_’, where the x is the firmware version number. Do not select the MK3S firmware located in the same folder. For example, ….  Read More