3D Touch Sensor
The main functions and controls of BLTouch are the same as the usual auto bed leveling sensor, consisting of RC servo and microswitch. Thus, BLTouch can be applied on almost every board.
BLTouch is fulfilled with simple structure and high precision by using progressively designed solenoid and hall sensors. 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.
BLTouch consists of Atmel ATtiny13A, solenoid, and a push pin.
Innovative Solenoid: Ultra Power Saving In an idle state, while the push-pin is pulled out or retracted, there is no electric current flowing on the solenoid. Standby electric current in the whole device is below the average of 15mA on working state, but while the pin is moving, in a sudden about 100ms, under 300mA flows in the device. Low power consumption even drops joule heating, and it prevents heart problems.
Hall Sensor: Free Bed Selection BLTouch does not use either optical or proximity(inductive/capacitive) sensors. BLTouch is controlled by the hall effect, providing high precision. Thus, the bed material can be freely selected.
Optimized structure: Larger Build Size BLTouch is a small, and technology-intensive device. Build size can be set larger than other existing auto bed leveling sensors.
Easy to Use: BLTouch uses existing RC Servo motor signals intactly, so just plug BLTouch on the same pins after removing the servo motor.
- Supply voltage: 4.8 to 5.1 V
- Current: 15 mA
- Maximum current: 300 mA
- Z-probe output: Logic free (default open-drain) or 5 V logic voltage
- Open drain VDS / ID: up to 5 V / 300 mA
- Included cable length: 150 mm (± 5 mm)
- Weight: 10 g
Set contents 3D Touch Sensor:
- BLTouch sensor v3.1 – 1 pc.
- Screw with nut and washer -2 pcs.
- Springs for mounting the sensor – 2 pcs.
- 3-pin plug housing – 2 pcs.
- 2-pin plug housing – 2 units.
- 1-pin plug housing – 1 pc.
- Male pins – 6 pieces.
- Female pins – 6 pcs.
- Jumper – 1 pc.
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