Published by Roy Berntsen on

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Bed Leveling Sensor

BL-Touch is an auto leveling sensor for FDM 3D Printers that can precisely measure the tilt of Bed surface. It could work with any kinds of bed materials, such as glass, wood, metal or what your flavor is

Connect the probe

The 3 lead goes to servo 1 as in the picture. Orange is signal, red is 5v and brown is ground

The 2 lead is goes to Z min endstop with black to ground and white to signal

Stock Probe Offsets

  • X = +26
  • Y = 0
  • Z = -1 is set as start distance with the spacer at 4 mm
    Calibrate this and set with M851 Z-x.xx then save with M500