Solution #2: Buy a cheap HC-06 bluetooth dongle (there are many manuals how to implement it on melzi board) and use only bluetooth for serial communication

with #3 I could just write the gcode to execute whatever for #1 and #2

After updating to 0.70, I am no longer able to view stored gcode files on the server for one of two printers (We'll call it printer #1). I can however view the stored files for printer #2. 

Just in case anyone is having issues with twitching servos with repetier firmware, this fixed it. I was unable to find a solution, so I figured I would post it. naturally you will need to adjust the …

 #2  0x00007fa84877de26 in __GI___backtrace (array=array@entry=0x7fa8494841a0, size=size@entry=256) at ../sysdeps/x86_64/backtrace.c:109

There is an always on fan pin, but then there's the extruder cooler pins. This is how I'm doing it for extruder #2. For other extruders I'm using pins like "LIGHT_PIN" and "HEATER5_PIN&

Col #2: The model/gcode preview window

I'm pretty new to 3D printing and after about a month and a half my hot end broke. I ended up buying a new E3D after some research but I'm having trouble with the firmware. I have cautiously printed …

New versions are much work. Maybe end of the year. Will try a first update sooner, but no guaranties.

the easy fix), but it doesn't bug me as much as #2