BLTouch: Auto Bed Leveling Sensor v3.1 + 1M XD Extension Cable Set

Key Features BLTouch is an auto leveling sensor for 3D Printers based on open-source. Simple, Smart, & Precise with repeatability is around 0.005mm. It could work with any kinds of bed materials, such as glasses, woods, metals, and so on. Includes solderless 1.25mm to Dupont/JST Connection extension cable. Main functions and controls of BLTouch are same as usual auto bed leveling sensor, consists of RC servo and micro switch. Thus, BLTouch can be applied on almost every board. BLTouch does not uses either optical, nor proximity(inductive/capacitive) sensor. BLTouch is fulfilled with simple structure and high precision by using progressively designed solenoid and hall sensor.  It can be easily applied, since it has a small and simple structure. The BLTouch 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. BLTouch uses existin