Genuine ANTCLABS BLTouch v3.1 Auto Bed Leveling Sensor BLTouch is a type of electronic component for 3D printers with a built-in semiconductor Hall sensor or optical sensor. It aims for user convenience and enjoyable printing by adding many smart functions, such as self-test, alarm, alarm release & Touch Switch mode, Blue LED for servo signal indicating and Z-probe(Zmin) Testing.
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