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you have some other probe: Some probes have a trace on the circuit board to cut or a jumper to set in order to (permanently) set the output mode. In that case, omit the 'set_output_mode' parameter completely.
If you have a V3.1, do not automate or repeat storing the output mode to avoid wearing out the EEPROM of the probe.The BLTouch EEPROM is good for about 100.000 updates. 100 stores per day would add up to about 3 years of operation prior to wearing it out. Thus, storing the output mode in a V3.1 is designed by the vendor to be a complicated operation (the factory default being a safe OPEN DRAIN mode) and is not suited to be repeatedly issued by any slicer, macro or anything else, it is preferably only to be used when first integrating the probe into a printers electronics.
[bltouch]
sensor_pin: ^P1.24
control_pin: P1.26
BL-Touch
If the BL-Touch will be used to home the Z axis then set `endstop_pin: probe:z_virtual_endstop` and remove `position_endstop` in the `[stepper_z]` config section, then add a `[safe_z_home]` config section to raise the z axis, home the xy axes, move to the center of the bed, and home the z axis. For example:
[safe_z_home]
home_xy_position: 100, 100 # Change coordinates to the center of your print bed
speed: 50
z_hop: 10 # Move up 10mm
z_hop_speed: 5
The next step is to confirm that the sensor pin is working correctly. Run `BLTOUCH_DEBUG COMMAND=pin_down`, verify that the pin moves down, run `BLTOUCH_DEBUG COMMAND=touch_mode`, run `QUERY_PROBE`, and verify that command reports "probe: open". Then while gently pushing the pin up slightly with the nail of your finger run `QUERY_PROBE` again. Verify the command reports "probe: TRIGGERED". If either query does not report the correct message then it usually indicates an incorrect wiring or configuration (though some [clones](#bl-touch-clones) may require special handling). At the completion of this test run `BLTOUCH_DEBUG COMMAND=pin_up` and verify that the pin moves up.
Many BL-Touch "clone" devices work correctly with Klipper using the default configuration. However, some "clone" devices may not support the `QUERY_PROBE` command and some "clone" devices may require configuration of `pin_up_reports_not_triggered` or `pin_up_touch_mode_reports_triggered`.
Some "clone" devices do not support `touch_mode` and as a result the `QUERY_PROBE` command does not work. Despite this, it may still be possible to perform probing and homing with these devices. On these devices the `QUERY_PROBE` command during the [initial tests](#initial-tests) will not succeed, however the subsequent `G28` (or `PROBE`) test does succeed. It may be possible to use these "clone" devices with Klipper if one does not utilize the `QUERY_PROBE` command and one does not enable the `probe_with_touch_mode` feature.

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  1. Klipper
  2. BLTouch
  3. English
[safe_z_home]
home_xy_position: 100, 100 # Change coordinates to the center of your print bed
speed: 50
z_hop: 10 # Move up 10mm
z_hop_speed: 5
[safe_z_home]
home_xy_position: 100, 100 # Change coordinates to the center of your print bed
speed: 50
z_hop: 10 # Move up 10mm
z_hop_speed: 5
2 years ago
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Flags
md-text, read-only
Source string location
docs/BLTouch.md:block • 7 • (code)
String age
2 years ago
Last updated
12 months ago
Source string age
2 years ago
Translation file
docs/locales/en/LC_MESSAGES/BLTouch.pot, string 44