Firmware Release: B2X300-20181214

This new DIY 3D printer kit is a result of a vast market research and hours of development and engineering. It is an open source project, which means this is a versatile product that you can build upon and make it your own.
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Joined: 16 Apr 2018, 15:35

Firmware Release: B2X300-20181214

Post by tiagofgs » 14 Dec 2018, 17:23

Hi everyone,
There is a new stable release of the firmware for your B2X300, please upgrade to get the latest features and bug fixes.

We recommend you use the B2X300 Firmware Update tool which you can download here: ... re_Updater alternatively, you can flash your 3D printer using the Arduino IDE, check out how to do it here: viewtopic.php?f=17&t=1274
  • Bugfix - corrected filament change skipping temperature stabilization
  • Corrected compiler warnings
  • Bed leveling now saves mesh to EEPROM after probing
  • Changed EEPROM version and documented address map
  • Dual Extrusion Offset Calibration feature
  • Bugfix - activated leveling mesh on print restore
  • Bugfix - removed unecessary enable steppers on power restore
  • Bugfix - corrected dual extrusion restore offset for E2
  • M119 now shows the state of the second filament sensor
  • Improved float42 to string function
  • Improved offset XY layout
  • Bugfix - corrected restore print, auto-start when it was not supposed to
  • Bugfix - changed print recovered message
  • Bugfix - blower values mapped so the fan spins on all the range 0-255


  • Dual Extrusion Offset Calibration
    - No longer requires diferent Gcodes between machines for dual extrusion
    - You can now save your offset using only your LCD screen
    - No need to save the offset on the slicer
If you have suggestions or happen to find a bug on this firmware version, please comment below so we can start to work on it right away.

Happy printing! :D
Research and Development Team

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