Hi Everyone,

I have 2 computers available to me, both Macs, one with Sierra and one with High Sierra.

FWIW they both exhibit the same behavior as described below.

1. I added the drivers from https://github.com/adrianmihalko/ch340g-ch34g-ch34x-mac-os-x-driver - they install, and show up as reported in /dev

2. I can recognize the printer via Pronterface http://www.pronterface.com/ but not when it initially starts. I selected the proper port from the ports drop down, and left everything else the same. When I click CONNECT, I get a message saying: “Attempting to write invalid text to the console…” blah blah blah. However, if I then hit RESET, the printer does comes on line.

This has been incredibly useful so far, because I can follow a design path of this:

1. Use 3d program to generate .STL

2. Use Ultimaker Cura to slice and generate .gcode

3. Use Pronterface to run the .gcode

However, I’d like to upgrade to Marlin.

The easiest way is to get a binary for your platform from https://github.com/akaJes/marlin-config. I follow the directions to copy the A8 files into the active configuration, select anet10 under compile, then hit COMPILE and it compiles just fine. I then hit upload and I get the dreaded sequence of:

avrdude: stk500_getsync() attempt … and it fails.

It’s worth noting here that the Cura supplied from Anet (14.07) or the latest Ultimaker Cura both do not recognize the printer. They do interfere with Pronterface, though, at times. So I suspect that they as well are internally getting an error similar to the avrdude error above, just not being so very verbose about it.

The fact that Cura does not recognize the printer is no big deal, however, I’d really like to upgrade to Marlin. (I’m an Android programmer, so I could probably debug this… but learning a new platform seems… involved).

So, anyway, looking for advice, help, ideas, anything really.

Thank you in advance.