Hello, I recently purchased the MKS Robin Nano v3.1 + TMC2209 + WIFI + TS35 3D

My printer uses NO for endstop and the default setting is NC (normally closed) and the correct setting is NO (normally opened).

I looked for the default firmware to restore if necessary and found it only for Marlin-bugfix2.0.x-MKS-2.1.2.

Would anyone know the correct address?

Hi, there really isn't this version available on github.

I had compilation problems in version bugfix2.0.x for USB_FLASH_DRIVE_SUPPORT configuration.

I solved it by modifying the code and then saw that this problem was resolved in the bugfix2.1.x version.


I have no hope of answers from MKS or that they will publish this version that came installed.

Edited 1 time(s). Last edit at 01/21/2025 08:39PM by zarrefl.

"and the correct setting is NO (normally opened)." no not really.

normally closed endstops are the standard, as it means that when you break a endstop wire (or unplug it) the endstop is triggered, vs just crashing the machine into the end of travel when the endstop is disconnected

Edited 2 time(s). Last edit at 01/22/2025 02:03AM by Dust.

It took me all of a minute of googling to find [github.com]

#define SHORT_BUILD_VERSION "-bugfix2.0.x-MKS-2.1.3"

from Version.h of [github.com]

Edited 1 time(s). Last edit at 01/22/2025 01:52AM by Dust.