I'm familiar with 3D printing, and the G-code concept. I'm also comfortable with programming.

Can anyone give me the G-code (or probably the M-code, actually) to read the bed temperature?

Is there an equivalent of M105 (Get Extruder Temperature)?


1 Answer 1


M105 should give you the bed temperature.

For future reference you can find a general list of G/M codes here - RepRap Wiki - G-code.

Most firmware files include a list, Marlin has it in Marlin_main. I have no idea how often the list is updated but they don't change often.

  • $\begingroup$ M105 is the extruder temperature. I can''t find a way to get the bed temperature, though there is a code to wait until the bed has reached the target temperature. $\endgroup$
    – NomadMaker
    Mar 1, 2018 at 14:27
  • 2
    $\begingroup$ @NomadMaker M105 should report the temperature for everything. $\endgroup$
    – tjb1
    Mar 1, 2018 at 17:08
  • $\begingroup$ @NomadMaker please look into marlinfw.org/docs/gcode/M105.html $\endgroup$
    – 0scar
    Sep 7, 2018 at 13:27
  • $\begingroup$ Your Marlin_main link had died, so I changed it $\endgroup$
    – Greenonline
    Sep 11, 2018 at 14:20

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