Hi,

Anyone aware if there are some G-Codes (the Mxxx ones) that can turn on or off I/O pins on the board ? (in my case, from a RAMPS 1.4 board).

I looked around the marlin_main.cpp file but can't confirm it in there.

If not, I'll add some my self.

Thanks,

J-F

http://reprap.org/wiki/G-code#M42_in_Marlin.2FSprinter

Thanks,
Thats exactly what I needed. :-)