Make the Original Snapmaker schematics open-source

[bobby4718]

Is this the thread you were thinking of?

Reverse Engineering the Module Wiring

Added the info for the heated bed and the linear modules.

As for the firmware, SM has an official set of instructions on how to compile the SM 2.0 firmware using PlatformIO on their GitHub (here), but I don’t have the knowledge or experience to know if this can be adapted to the original firmware.

Finally, I tried looking into what you mentioned about reverse engineering the controller, and the best I could find was this:

Controller Teardown

I am making a mount for a Raspberry Pi for my SnapMaker. In order for there to be room I decided to move my controller down to the bottom most screw holes on the back of the Z linear module. When doing so the case for my controller popped open. The plastic tabs that hold it open look to have snapped. I took this as a sign that I should take a look at the chips on this board. First thing that surprised me is that the controller is 32bit. It is running a GD32F105-RCT6 which is an ARM Cortex M3 ch…

It’s not exactly what you described, but still has some info on the chips present on the controller.