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BIGTREETECH BL Touch V3.1 + 2 Types Extension Cables BLTouch V3.1 Auto Bed Leveling Sensor Kit Compatible Ender 3 V2 Ender 3 Ender 3 Pro Ender 3 Max Ender 5 Pro with 32 Bit V4.2.2/V4.2.7

4.4 4.4 out of 5 stars 177 ratings

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BLTOUCH v3.1 + 2 Types Extension Cable

Purchase options and add-ons

  • ⚡【High-performance Kit】 BL Touch V3.1 auto bed leveling senor is controlled by hall effect, providing high precision. Thus the bed material can be selected freely, glasses/ wood/ metal, etc.
  • ⚡【High Precision】 BLTouch’s Standard Deviation in repeatability is around 0.005mm.The 3D printer automatically detects the bed surface, and adjusts the perfect distance .
  • ⚡【Premium Leveling Kit】 There're 1 set of Bltouch V3.1 automatic bed leveling touch sensor kit and 2 types extension cables included in the package.
  • ⚡【Wide Application】 This Bltouch V3.1 Auto bed leveling kits are suitable for 32-bit V4.2.2 Creality/ Ender 3/ Ender 3 V2/ Ender 3 MAX/ Ender 3 Pro/ Ender 3S/ Ender 5/ Ender 5 Pro/ CR-10.
  • ⚡【For More Information】If you want more details about BLTouch and 2 extension cables, please check out the antclabs website, or contact us through Amazon, we will send you related file within 24h.

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Product details

  • Package Dimensions ‏ : ‎ 4.02 x 2.83 x 1.34 inches; 6.38 ounces
  • Item model number ‏ : ‎ DKG000113+XPX000387+XPX000284
  • Date First Available ‏ : ‎ August 13, 2020
  • Manufacturer ‏ : ‎ ANTCLABS
  • ASIN ‏ : ‎ B08J9WN356
  • Customer Reviews:
    4.4 4.4 out of 5 stars 177 ratings

Product Description

BLTouch Smart Sensor

BLTouch Smart Auto Leveling Sensor

BLTouch is a type of semiconductor hall sensor and is an electronic component for 3D printers.

BLTouch is an auto-leveling sensor for 3D Printers that can precisely measure the tilt of the Bed surface. It could work with any kind of bed material, such as glasses, wood, metals, and so on.

Simple

BLTouch can be easily applied since it has a small and simple structure. As BLTouch works as usual auto bed leveling sensor, Gathering information & setting up your firmware will be an easy task.

Smart

  • Self-test: The push pin operates two times in a test when the power is on.
  • Alarm: The AI will flash the LED indicator if a problem is detected during a self-test or operation.
  • Wiring defect indicator: Blue and Red LED for indicating wiring defects.

High-Precision

BLTouch’s Standard Deviation in repeatability is around 0.005mm, at that precise.

BLTouch V3.1

BLTouch Bracket

Extension Cable

BLTouch V3.1

BLTouch is a type of semiconductor hall sensor and is an electronic component for 3D printers.

The BLTouch is a very precisely tuned device and we take great pride in its value and quality.

Bracket

1. It is suitable for the upgrade for Creality CR-10 / Ender 3 series 3D printers to automatic leveling sensors.

2. Easy to install, just look at the location of the product map to install it

3. Applicable Models: Ender 3, Ender 3 Pro, Ender 3S,Ender 5, Ender 5 Pro,Ender 5s and CR10

Extension Cale

Original BLTouch cable length 15mm, can not fit most of the 3d printer

1m BLTouch extension cable: the terminal is the same as the bltouch head,

Advantage:1m bltouch wire can suit SKR MINI E3 V2.0, SKR V1.4 Turbo, GTR V1.0, Octopus 32bit control board

Shortcoming: can not fit for CR10 3D Printer, cause the terminal and position of cable are different,

You can change the terminal and rearrange the position of cables by tweezers or a cutter

Specification

  • Logic Voltage Free(Open Drain Output): 3.3V / 5V The desired output logic voltage is stored in the EEPROM of the probe and can be selected by commands.
  • An additional power supply may be needed in case your board does not supply enough current at 5V.
  • Electronic devices can be damaged or even destroyed if connected to the wrong side polarity.
  • Set Zmin pull-up on your firmware when using Logic Free (In most cases, it is already set up)
  • If push-pin deploy fails, turn the core by up to 180 degrees with an Allen-key so that the core is further inside the casing.
  • Depending on your type of 3D printer, you may need to remove or add some parts to the controller board.
  • In principle, a controller board with a large capacitor, in the end, stops the input circuit is not supported.(You may need to remove such a capacitor from your board)
  • If noise, etc. interference is expected, you should use an anti-interference extension cable (Shielded or Twisted Cable).

How to distinguish

For more products at BIGTREETECH store,please check the following:

BLTouch Push-Pin extension cable SKR 2 Octopus Control Board PI TFT50 V2.0
BLTouch Needle Extension Cable Kit SKR 2 Control Board Octopus Control Board PI TFT50 V2.0
Customer Reviews
4.4 out of 5 stars
33
4.3 out of 5 stars
420
3.8 out of 5 stars
20
4.6 out of 5 stars
51
4.4 out of 5 stars
53
3D Printer Accessories

Looking for specific info?

Customer reviews

4.4 out of 5 stars
4.4 out of 5
177 global ratings
great product, instructions for 32 bit (silent board) are inacurate!
4 Stars
great product, instructions for 32 bit (silent board) are inacurate!
BLtouch is a great product but instructions for 32 bit board need to be updated. I emailed the seller my discoveries who in turn will notify the ANTCSLABS.I have spend many hours trying to figure out this setup, I ended up figuring out that instructions are quite misleading and they would drive you off the wall.first of all, Creality BLtouch kit works fine, as far as hardware installation, but configuration of BLtouch on 4.2.7 motherboard is grossly inaccurate.Here is what I discovered by trial and error and watching bunch of youtube videos, many of them did not quite cover the topic correctly.First of all, you will need an micro SD card to save the settings on 4.2.7 motherboard, there is not much room left on EEPROM once all of the features are enabled and you will need to save them to micro SD card or when you power off your printer all will be lost. You will need to re-calibrate the Z settings again. If you forget to punch in Z offsets if the printer was powered off you will be printing a few millimeters up in air. Don't ask me how I know./// How to configure BLtouch after the device is physically installed and wired up///==================================================================Unplug the USB cable if connected to the computer, this prevents the 3D printers receiving the power to its motherboard.Verify BLTOUCH operation and correct installation==================================================================Verify that BLtouch is working correctly by moving the nozzle assembly at least 150 mm above the bed. We will issue auto home command and we need some vertical space so that can turn off the printer power if BLtouch is not stopping downward movement when its probe is touched.Via the printer menu select Prepare -> auto home – printer will start the auto home process and the nozzle will start moving down and BLtouch will extend (lower) its probe.As the nozzle assembly is moving down gently touch the BLtouch probe, the nozzle should stop, then resume downward movement. Touch the probe again for the second time and the nozzle will stop moving permanently. That means that BLtouch is wired correctly and it will stop when the probe touches the bed.Please note: Be ready to turn off the printer power if when touching the BLtouch probe the nozzle is still moving down! In that case you need to check the Bltouch for correct wiring to the motherboard.How to calibrate the Z offset==================================================================Via the printer control knob do the following steps:Select ControlThen restore failsafeAnd store settings.This erases any settings that were previously configured so we start with a blank slate. This is a very important step! If some old Z offsets are still in EEPROM and you start to configure printer you could potentially have the nozzle hit the bed because of old Z offsets were not erased. So, restore the settings to failsafe!note: make sure you have the micro SD card inserted.Auto home the printer==================================================================select prepareSelect Auto home and wait for process to completePrinter will auto home where it thinks the Z axis is. Please note; now there is a few millimeters difference because BLtouch is a few millimeters above the nozzle. This is by design to prevent BLtouch needle to hit the printed object.That is why we have to measure that difference and write it down to be used later.To determine Z offset==================================================================select Prepare,Then move axisThen move ZSelect 1mm and start moving the nozzle down towards the bedWhen you get close to the bed change to 0.1 mm incrementsInset a sheet of A4 paper on print bed (paper is 0.2 mm thick)keep lowering the nozzle via “move Z” slowly with one hand and keep moving the sheet of paper back and forth until there is slight resistance with other hand.You should be able to move the paper back and forth but with slight resistance. Now, stop and write down the value. The value in this image is my value, your value will be different!This will be a negative value somewhere between 2.5 and 4 mm as BLtouch probe is typically that much higher in relationship to the nozzle, and this value varies from one printer to another.This is the value that we will need to input into Z offset in later steps.To prevent accidentally scratching of the bed with the nozzle select prepareThen auto homeConfigure probe Z offset ==================================================================select controlThen bed levelingThen probe Z offsetAnd put the value that you have written down for Z offset that you measured in previous steps.The value will be in negative (minus) so for example, -003.2 mm)The value should be typically between 2.5 and 4 mm with original creality Bltouch bracket. Finally, select store settings to save your Z offset!Exit the menu to the top and then verify that settings are correct for Z offset!Your value should be there!Bed leveling================================================================== Select controlThen Bed leveling Then select level bed The process will probe 9 pointsOnce that is done auto leveling is completed.Modify Cura settings for BLtouchIn Cura –select settings -> printer -> manage printers Click on machine settings And add under Start G code: G29 ; (Auto Level / BLtouch mesh) M500 ; save the mesh EEPROM Click close and close again.Do a test print from cura!adjust the Z offset if neededgood luck!
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Top reviews from the United States

Reviewed in the United States on December 28, 2023
Style: BLTOUCH v3.1 + 2 Types Extension CableVerified Purchase
Customer image
5.0 out of 5 stars Works great on my FlashForge Pro
Reviewed in the United States on December 28, 2023
I upgraded the FFP with an SKR3 board running Klipper and use this for bed mesh and bed leveling [screws_tilt_adjust]
Images in this review
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Customer image
Reviewed in the United States on July 31, 2023
Style: BLTOUCH v3.1 + 2 Types Extension CableVerified Purchase
One person found this helpful
Report
Reviewed in the United States on January 28, 2024
Style: BLTouch V3.1 Leveling SensorVerified Purchase
Reviewed in the United States on May 26, 2022
Style: BLTOUCH v3.1 + 2 Types Extension CableVerified Purchase
Customer image
5.0 out of 5 stars Exact replacement worked without a hitch.
Reviewed in the United States on May 26, 2022
Video and picture of my original BL Touch sensor. Video shows the blinking (50% duty cycle) red light meaning it failed on startup. I had mistakenly bent the tip of the original when the head pressed into the base plate.

The one I received was an exact match to the one in my Pulse E-432 printer. Came within a couple of days. It even came with extra connectors and screws to work with other printers.
Images in this review
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Customer image
2 people found this helpful
Report
Reviewed in the United States on July 24, 2023
Style: BLTouch V3.1 Leveling SensorVerified Purchase
Reviewed in the United States on September 8, 2022
Style: BLTOUCH v3.1 + 2 Types Extension CableVerified Purchase
Reviewed in the United States on October 28, 2020
Style: BLTOUCH v3.1 + 2 Types Extension CableVerified Purchase
Customer image
4.0 out of 5 stars great product, instructions for 32 bit (silent board) are inacurate!
Reviewed in the United States on October 28, 2020
BLtouch is a great product but instructions for 32 bit board need to be updated. I emailed the seller my discoveries who in turn will notify the ANTCSLABS.

I have spend many hours trying to figure out this setup, I ended up figuring out that instructions are quite misleading and they would drive you off the wall.
first of all, Creality BLtouch kit works fine, as far as hardware installation, but configuration of BLtouch on 4.2.7 motherboard is grossly inaccurate.
Here is what I discovered by trial and error and watching bunch of youtube videos, many of them did not quite cover the topic correctly.

First of all, you will need an micro SD card to save the settings on 4.2.7 motherboard, there is not much room left on EEPROM once all of the features are enabled and you will need to save them to micro SD card or when you power off your printer all will be lost. You will need to re-calibrate the Z settings again. If you forget to punch in Z offsets if the printer was powered off you will be printing a few millimeters up in air. Don't ask me how I know.

/// How to configure BLtouch after the device is physically installed and wired up///

==================================================================
Unplug the USB cable if connected to the computer, this prevents the 3D printers receiving the power to its motherboard.

Verify BLTOUCH operation and correct installation
==================================================================
Verify that BLtouch is working correctly by moving the nozzle assembly at least 150 mm above the bed. We will issue auto home command and we need some vertical space so that can turn off the printer power if BLtouch is not stopping downward movement when its probe is touched.

Via the printer menu select Prepare -> auto home – printer will start the auto home process and the nozzle will start moving down and BLtouch will extend (lower) its probe.

As the nozzle assembly is moving down gently touch the BLtouch probe, the nozzle should stop, then resume downward movement. Touch the probe again for the second time and the nozzle will stop moving permanently. That means that BLtouch is wired correctly and it will stop when the probe touches the bed.

Please note: Be ready to turn off the printer power if when touching the BLtouch probe the nozzle is still moving down! In that case you need to check the Bltouch for correct wiring to the motherboard.

How to calibrate the Z offset
==================================================================
Via the printer control knob do the following steps:

Select Control
Then restore failsafe
And store settings.
This erases any settings that were previously configured so we start with a blank slate. This is a very important step! If some old Z offsets are still in EEPROM and you start to configure printer you could potentially have the nozzle hit the bed because of old Z offsets were not erased. So, restore the settings to failsafe!
note: make sure you have the micro SD card inserted.

Auto home the printer
==================================================================
select prepare
Select Auto home and wait for process to complete
Printer will auto home where it thinks the Z axis is. Please note; now there is a few millimeters difference because BLtouch is a few millimeters above the nozzle. This is by design to prevent BLtouch needle to hit the printed object.
That is why we have to measure that difference and write it down to be used later.

To determine Z offset
==================================================================
select Prepare,
Then move axis
Then move Z
Select 1mm and start moving the nozzle down towards the bed
When you get close to the bed change to 0.1 mm increments
Inset a sheet of A4 paper on print bed (paper is 0.2 mm thick)
keep lowering the nozzle via “move Z” slowly with one hand and keep moving the sheet of paper back and forth until there is slight resistance with other hand.
You should be able to move the paper back and forth but with slight resistance.

Now, stop and write down the value. The value in this image is my value, your value will be different!
This will be a negative value somewhere between 2.5 and 4 mm as BLtouch probe is typically that much higher in relationship to the nozzle, and this value varies from one printer to another.
This is the value that we will need to input into Z offset in later steps.

To prevent accidentally scratching of the bed with the nozzle select prepare
Then auto home

Configure probe Z offset
==================================================================
select control
Then bed leveling
Then probe Z offset
And put the value that you have written down for Z offset that you measured in previous steps.
The value will be in negative (minus) so for example, -003.2 mm)
The value should be typically between 2.5 and 4 mm with original creality Bltouch bracket.
Finally, select store settings to save your Z offset!
Exit the menu to the top and then verify that settings are correct for Z offset!
Your value should be there!

Bed leveling
==================================================================
Select control
Then Bed leveling
Then select level bed The process will probe 9 points
Once that is done auto leveling is completed.

Modify Cura settings for BLtouch

In Cura –select settings -> printer -> manage printers

Click on machine settings

And add under Start G code:

G29 ; (Auto Level / BLtouch mesh)
M500 ; save the mesh EEPROM

Click close and close again.

Do a test print from cura!
adjust the Z offset if needed

good luck!
Images in this review
Customer image Customer image Customer image Customer image
Customer imageCustomer imageCustomer imageCustomer image
30 people found this helpful
Report
Reviewed in the United States on May 20, 2023
Style: BLTOUCH v3.1 + 2 Types Extension CableVerified Purchase