Product Description:
BLTouch is a sensor designed for 3D Printers that automatically levels the bed by accurately measuring its tilt. It is compatible with various types of bed materials including glass, wood, and metal.
Key Features:
BLTouch features a straightforward design and high accuracy achieved through an innovative solenoid and detector (Hall sensor or optical sensor). It prioritizes user convenience and enhances the printing experience with smart functions like self-testing, alarms, alarm release, Touch Switch mode, Blue LED for servo signal indication, and Z-probe (Zmin) Testing.
Specification:
Voltage/Current: 4.8~5.1V
Current Maximum(Peak): 15mA 300mA
Z Probe Output Open Drain VDS / ID: Logic Free (Open Drain: default) or 5V logic Max VDS = 5V / Max ID = 300mA
PCB / Soldering: OSP / Lead Free
Cable Length: Standard cable + Extension cable (0.8m or 1.5m optional)
Wiring: 3Pin - Brown (GND), Red (+5V), Orange (control signal). 2Pin - Black (GND) White (Zmin)
BLTouch V3.1 user manual: