If the endstop is still triggered after 5 atempts or the endstop is untriggered before, the command will return and last_endstop_query['probe'] will be set acordingly. Background: Building a JennyCoreXY printer has proven to me at least that klipper is fairly configured only for the Voron2 when it comes to gantry leveling, and endstop positions. Downloaded printer. I received a Hall Effect sensor with the Formbot kit for the XY endstop. The QUERY_ENDSTOPS command should report the endstop as "TRIGGERED". Sep 10, 2023 · Strain Gauge/Load Cell based Endstops - Page 12 - Developers - Klipper. This document describes Klipper's stepper phase adjusted endstop system. Manually trigger an endstop and keep it triggered. Jun 7, 2023 · The problem is how they generate the reference voltage: HX711 HX717 comparison1664×438 45. Looks like it could work. This document describes Klipper's automatic calibration system for "delta" style printers. December 29, 2022. [query_endstops]¶ The query_endstops module is automatically loaded. Nov 4, 2023 · Likely you will get a more meaningful answer at GitHub - mainsail-crew/mainsail: Mainsail is the popular web interface for managing and controlling 3D printers with Klipper. Add the 4 signals together in the c driver and pass that to the adc_endstop. Cannot retrieve latest commit at this time. log (129. Feb 22, 2024 · Proof of Concept: Using Accelerometer as Probe. The general logic thus depends on the mechanical setup of your printer. Due to a sagging gantry at the rear when powering down, I needed to get Jan 16, 2022 · Where it finds it endstops and how far from it an axis can safely travel. com/playlist?lis Dec 21, 2022 · The basic idea is to (1) add an endstop to the extruder’s stepper, and (2) write an extra module similar to manual_stepper. This is what my Z endstop/probe look like regardless of Tap position. Status Reference. Pasting your printer. Send a QUERY_ENDSTOPS command via the command console. Assembly. This is the same for both x and y endstops. 4 Turbo with TMC2209 v3 So no matter what i do my enstop keeps telling me its open. The original system is not able to process endstop sensors as separate objects, like [extruder] or [fan]. It is possible to use alternative software to send commands to Klipper, but doing so requires Linux admin knowledge. +5V is only for e. i checked if the placement on the board was good : i found that ratrig had a changement on their wiring ~october Jun 17, 2024 · Basic Information: config-20240614-080751. On the second try only one axis (delta-printer) did home. log Fill out above information and in all cases attach your klippy. I have checked the wiring several times, but it does not work. ZeyHex February 26, 2024, 6:21pm 388. It’s wired in for an SKR 1. Apr 3, 2024 · The START_PRINT and END_PRINT macros are optional but can be used to standardize the printer’s initialization process across different machines. MFBS April 30, 2023, 11:59pm 142. 0-143-g01c7befa moonraker - v0. garethky February 23, 2022, 5:15am 1. The exception is the USB 5V jumper position; only pin 2 has 5V and then only if the USB port is supplying 5V from a connected device. joenathan November 18, 2021, 12:46pm 5. Dec 29, 2023 · Here is my implementation of a working strain gauge endstop that I got working recently. 0-325-g99b97afc klippy (3). I integrated the code from the Jupyter notebook and I thought I would be stuck in integration hell for a week. When I swap the plugs for the X and Y endstops at the MCU and press X stop manually, Y shows triggered. I connected it, calibrated it on the X axis, but they Y axis would not come out of the triggered state no matter how I played with the potentiometer. the small endstop PCBs where you need the VCC to drive a small LED (or similar applications that might need VCC) Hairyloon July 2, 2021, 5:46pm 3. I believe. The module registers an extruder homing command, creates a virtual toolhead with only the extruder stepper, and passes it to the homing move. Mar 4, 2018 · Support for run-time checking of end stops is on the Todo list. Feb 28, 2020 · Hi @Klinenator,. While up I see the red led light from the optical sensor on Tap indicating Tap properly powered and it turns off when Tap/toolhead is down. Ideally this code will also works for 3 sensors in delta printers as well. Endstop phase. Commanding a normal move that hits the endstop won’t stop the printer. 0 MCU / Printerboard: Bigtreetech Octopus 1. If you had config from prior versions you will need to update. I tried restart, restart_firmware, powercycle, unplugging the diag1 pin. I noticed when checking the endstops earlier they all were showing open, so I decided to go through each one to confirm each would show triggered when activated and noticed the z endstop isn’t working because it was unplugged when the bl touch was added. Success I was even able to do two cubes with no problem at all. This document is a reference for options available in the Klipper config file. 1 Like. fluidd - v1. henrivdr March 27, 2024, 5:37am 404. sample-probe-as-z-endstop. Solved, it was the socket of the [query_endstops]¶ The query_endstops module is automatically loaded. Developers. 9 KB) klippy. The following standard G-Code commands are currently available, but using them is not recommended: Get Endstop Status: M119 (Use QUERY_ENDSTOPS instead. Nov 1, 2018 · When I used optical endstops, I had to change a resistor value on the endstop pcb to get it to pull low enough. y_offset: -29. During this guide, it may be necessary to make changes to the Klipper config file. 5. Sep 23, 2023 · Basic Information: Printer Model: Modified Ender 3v2. A typical endstop switch has an accuracy of around 100 microns. Feb 18, 2020 · Hi @vladbabii,. 2. This Feb 8, 2022 · Voron 2 - Questions. To make it worse, I see now it does not have a dedicated levelling MCU like the K1. 4 turbo board, Fluiddpi is installed on the pi and I have successful coms. If someone is interested in discussing the code or contributing let me know. Fill out above information and in all cases attach your klippy. cfg is not needed. using M119 Reporting endstop status x_max: open y_max: open z_max: open z_probe: TRIGGERED My config. It is a GD32F303CBT6. It did not look like there was a Klipper log file attached to this ticket. I was having trouble finding a way to configure klipper to check the input pin since endstops are only ever checked once. Endstop. Final setup . Hi everyone! I’ve been working on this for my own usage in my spare time, curious if there’s any interest for this feature in the community. g. Hi, I have dual-Z on single driver and I’m looking for X-gantry align, similar to Marlin’s “MECHANICAL_GANTRY_CALIBRATION” which is basicaly automatized version of this configured into G34 command (it used to be M915 command in Marlin). log. It is a LJ18A3-B-Z/AX proximity sensor which worked perfectly in Marlin. Looks like a potential solution if to configure a gcode_button object, which I came across in klipper issue 2942: Is it possible to still use a z endstop this should switch the trigger mode, from high to low. What the heck is going on? Jonathan … May 3, 2022 · Endstops in Klipper only work during a homing move (they have to be activated with a trsync). To troubleshoot, I have tried to map and connect my X endstop to connectors for X- Y- and Z- too. Apr 21, 2023 · The kitchen towel makes a curve while the hard bed surface make a linear strain increase. I'm going to close this issue for now as it doesn't seem like anyone is actively developing it right now. These drivers have SPI and TMC has support to send endstop message through SPI and in this case you don’t need DIAG1 output. January 6, 2023. it moved back and forth a little itty bit a few times. Feb 23, 2022 · Strain Gauge/Load Cell based Endstops. See the installation document for information on setting up Klipper and choosing an initial config file. Release endstop. But i have one question, in a setup with multiple ADC, does each HX711 need its own separate Initial Startup Checks. Even the buzzer seemed to be proper. But no, it worked on like the 10th re-compile : Klipper keeps shutting down with this error: Probe virtual endstop only useful as endstop pin. I even tried plugging the white and black Jul 18, 2021 · bigolbooty July 18, 2021, 9:28pm 1. In Mar 10, 2023 · Basic Information: Printer Model: RatRig legacy V-core 3. It is most useful when using a Trinamic stepper motor driver that has run-time configuration. phase. is 8-bit, only difference is stepper motors and bootloader. 12. They are working, an led lights up when the switch in closed and the sense pin goes to 5v, but the sense pin is at 3v when switch is open. I made my own PCB with a quarter wheatstone bridge circuit and an ATTiny85 chip to process the signal and raise an output pin high when the Mar 22, 2023 · Wit the webinterfaces it is quite easy to check your endstops: Refresh the endstop status in the webif → All should show open. recalibration should only be needed when the relation between your motor and the endstop is changed / influenced. It is a good idea to run through these steps after following the steps in the installation document. 9 KB) When manually triggering the Klicky Probe; both the Klicky Probe and the Z endstop trigger together. Refresh status → Should read open again. Feb 6, 2023 · Basic Information: I can’t get the endstop switches to trigger. Strain Gauge/Load Cell based Endstops. Dec 22, 2022 · This is a simple tutorial on how to setup TMC2209 with an endstop on Manta M4P in Klipper using Fluidd. Ender 3) often have their X, Y endstops at 0 and you tune the endstop position with a screw so that your nozzle is exactly at the bed’s origin. If you're wondering what Klipper sensorless homing is, look no further! Read how to configure Klipper to home without using endstop switches. I use the PWRDET connector with pin 1. 3 and 5v jumpers on MKS board and tried the pull ups on that aswell etc If I check the signal pin coming from the hall endstop, on open, its sending 0. Everything came back just fine. This needs to work reliably for all endstops. On the HX711 its an digital output for the bandgap reference (VBG), on the HX717 you are controlling the data ouput rate. If you want a tool to level bed screws with a probe, see screws_tilt_adjust. 2 boards x2 OR SKR E3 Turbo. [homing_override] Feb 18, 2023 · Klipper unable to start Ender 3 Max. Be sure to issue a RESTART command Nov 1, 2023 · Strain Gauge/Load Cell based Endstops - Page 13 - Developers - Klipper. Control and monitor your printer from everywhere, from any device. Load Cell Probe. Features. Surely I could help somehow. Kmarty May 2, 2021, 7:27pm 1. It is already visible on the Machine tab. 8. 5mm/s probe. These settings control printer motion on a delta printer. Status reference. Or you could just delete the entire block, but if sensorless homing doesn’t work reliably for you for some reason and you decide you want to go back to a physical endstop setup, you’ll be glad you didn’t delete it. log (557. However, there hasn't been any code changes to the endstop checking in years. I wasn't able to reset the triggered status. I probe once at 8mm/s followed by a slow 2. May 14, 2023 · Klipper: Sensorless Homing – What Is It & How to Set It Up. Nov 20, 2022 · Requirements: Rigid couplers (use ball bearing for flexible) Add extra 20mm in your Z limit configuration to allow stepper stalling Physical limiter (e. Jun 23, 2021 · so the idea was to clear the sensor after homing by moving z x mm away of the sensor. The BLtouch is plugged in per the M8P manual. Pin 1 is connected to the board's own 5V supply, but via a protection diode which will allow pin 1 to supply power to the board, but not from it. Thanks for the prompt reply. Marlin has support for this functionality (SPI_ENDSTOP flag May 2, 2021 · General Discussion. This document is a reference of printer status information available in Klipper macros , display fields, and via the API Server. Otherwise, this ticket will be automatically closed in a few days. KevinOConnor closed this as completed on Mar 18, 2018. I refreshed the endstops while lifting and then again when lower Tap/toolhead. Seems like . For information on obtaining the Klipper log file see Mar 9, 2019 · Hi @HWiese1980,. The Klicky Probe pin is PG15 and the Z endstop is endstop_pin: probe:z_virtual_endstop. Because when I configure it the correct way, the result of "QUERY_ENDSTOPS" is always Klipper is configured to know about how far above bed the endstop is. And I do not have spare MCU. KevinOConnor mentioned this issue on Apr 8, 2018. Seems like the max sample rate sacrifices noise bits, but the 640Hz rate would be great! It’s SPI but the Feb 13, 2023 · Feb 13, 2023. A little background first. Using the original wiring, the yellow wire from the triple is the control_pin and the white wire from the pair is the sensor_pin. front right screw must be turned clockwise 1 full turn and a quarter turn. did the belt teeth hop over the motor gear → recalibration indeed. 2145. This Sep 10, 2021 · goosst September 23, 2021, 4:56pm 2. i saw in klipper documentation u can use [homing override] because i didnt saw any parameters at the stepper config to move x mm after homing (but can be me, first time using klipper) the config would look like this. 11 KB. cfg file. I have attached the printer config file. 1 klippy. Klipper can also use Trinamic drivers in their "standalone mode". I guess because the MCU is already in Dec 13, 2022 · Klipper Endstop phase calibration g-code generator. It uses this strain gauge amplifier and this strain gauge. So it might be as simple as sampling a few points on your bed, maybe 10x each, for the “good” data set and then putting down some paper towels and sampling again for the “bad” data set. Mar 27, 2023 · In short we need a way to: Collect data: force graphs from real probing collisions. Then during bed mesh calibration, it will use the probe to acurately determine how far z endstop is and adjust accordingly. Then attach May 6, 2020 · That consumes developer time; time that would be better spent enhancing the software. First query. Feb 26, 2024 · Strain Gauge/Load Cell based Endstops - Page 20 - Developers - Klipper. rear left screw must be turned clockwise 2 minutes (not need it's ok) Note that "minutes" refers to "minutes of a clock face". When I used an inductive sensor, I had to add a pull down resistor to the input like you describe. cfg from 2018 ender because 1. Feb 2, 2024 · Proof of Concept: Using Accelerometer as Probe. Klipper firmware install instructions for QQ-S Pro. 46 lines (39 loc) · 1. BTT Octopus 1. In my opinion, SBase has a hardware design defect in the endstop circuits. ) Extended G-Code Commands. Published May 14, 2023. klippy. Get Endstop Status: M119 (Use QUERY_ENDSTOPS instead. I’d like to see the Endstops panel in the dashboard. log file (use zip to compress it, if too big). So, for example, 15 minutes is a quarter of a full turn. 8v and when triggered its 4. @NoGuru Printer config attached. As you can see, it is configured as "pin: !ar18". Connect the wiring to the hall effect module. Playlist for BTT Mantahttps://youtube. I scrapped it, and soldered up the 2 microswitc [query_endstops]¶ The query_endstops module is automatically loaded. Bed-slingers (e. Also PIN 6 is different, but that might not be a problem. #3. 14. It was like the tmc2209 had not been defined yet so it was confused when trying to use it in the endstop_pin definition. 7v A Klipper plugin and macros for controling endstops on 3D printer. Hook up the BL-Touch "servo" connector to a control_pin according to the BL-Touch documentation or your MCU documentation. ) QUERY_ENDSTOPS¶ QUERY_ENDSTOPS: Probe the axis endstops and report if they are "triggered" or in an "open" state. [load_cell_probe] Config Reference. As the sensor is a NC (normal close) sensor, it should be configured as "pin: ^ar18". [load_cell] Config Reference. If you think there is a regression, try going back to the old code (for example, cd ~/klipper ; git checkout af981432f ; make ; sudo service klipper stop ; make flash ; sudo service klipper start). 1 second delay between each query. md at master · KevinOConnor/klipper · GitHub. 0 as the limit switch pin for the second z axis motor and this limit switch works fine. Hi, I have a Tronxy X5SA pro I’m converting to Klipper. # This file provides example config file settings for use on a printer # that uses a Z probe instead of a traditional Z endstop switch. If you want a tool to level bed screws and don’t want to use (or don’t have) a probe, see bed_screws. Hi guys, I'm using the SKR 1. The log file has been engineered to answer common questions the Klipper developers have about the software and its environment (software version, hardware type, configuration, event timing, and hundreds of other questions). Hi! Stepper drivers like TMC2130, TMC5160 has no DIAG1 pin soldered. Since I have a double guided Z axis, I use one of the extra extruder stepper outputs for the second Z axis motor. {"payload":{"allShortcutsEnabled":false,"fileTree":{"klippy/extras":{"items":[{"name":"display","path":"klippy/extras/display","contentType":"directory"},{"name The Klipper software is not dependent on OctoPrint. The idea is to provide a configuration to define a “virtual” endstop by a state of an ADC pin (crossing some threshold value). That they result in 100% endstop success. The switch works. 5: 1305: April 8, 2024 Mar 1, 2024 · Generic analog endstops. Oct 26, 2023 · Other endstops work as they should I have them plugged into the X+ Y+ and Z+ connectors. If this ticket references an event that has occurred while running the software then the Klipper log must be attached to this ticket. November 15, 2022. I had presumed that it was on a GPIO pin, and they can usually be set to be Jan 3, 2022 · You might be able to setup an input pin to issue an emergency stop. This document provides a list of steps to help confirm the pin settings in the Klipper printer. log (123. garethky November 1, 2023, 2:58am 247. Using (2) M3x8 SHCS, install the hall effect board into the endstop pod. 2138. Follow Configuration checks - Klipper documentation ; Reply: I went through the page and did all the checks again. This # file is just a "snippet" of config sections - it must be added to a # config file Dec 19, 2023 · Stream all 4 separate readings back to the Pi, creating 4 real load_cell objects. Fortunately they are one of the cheapest parts to replace You can buy several mechanical endstops for a couple dollars and they are pretty much all interchangable. Test that the computed characteristics work using the same data collection routine. did you lose steps because not enough current was produced for its load or you moved it while it was off → relation with end Feb 1, 2024 · The config and commands have been integrated into the right places in the rest of the klipper docs: Load Cell. Need a config. garethky December 5, 2023, 6:06am 287. 24bits, PGA with gain up to 128. I realise now the Nozzle MCU would probably also have to be flashed. Mar 27, 2024 · Developers. Be sure to check our “Knowledge Base” Category first. You might have to do this on Y as well, but at least test on X first. This functionality can improve the accuracy of traditional endstop switches. I cannot configure two independent drivers for two z axes with relative mechanical endstops in each axis. These seem like significant advantages of a load cell probe that are not easy to replicate w…. The idea behind them is simple: The slicers Jul 1, 2021 · The endstops typically work between the signal pin and GND. Basic Information: Printer Model: Ender 5 plus MCU / Printerboard: BTT Manta M8P klippy (3). ender 3 (stock except for ducts). What the heck is going on? Jonathan … Try swapping it with one of your other endstops and see if the problem moves. Is that what you are looking to do? To do that, you set the endstop to be the zmax switch. The fields in this document are subject to change - if using an attribute be sure to review the Config Changes document when upgrading the Klipper software. Klipper uses “extended” G-Code commands for general configuration and status. MMU2S virtual endstop problem. For example: SET_SERVO SERVO=myservo ANGLE=5. TMC drivers. 1 Klicky Probe as Z endstop sesoreless homing for XY with TMC2209 drivers. FK87 September 10, 2023, 11:17pm 227. Configuration checks. However, when the drivers are in this mode, no special Klipper configuration is needed and the advanced Klipper features discussed in this document are not available. Apr 8, 2024 · 336. Add the 4 readings in the Pi, creating a fifth virtual_load_cell used for probing. It should respond with the current state of all of the configured endstops and they should all report a state of "open". 507. Second query. 29. g a screw in the extrusion on both sides with equal distances) (optional) Software current control for low noise on stalls; using TMC in this example Functions: Aligns the two leadscrew-driven motors only once after powerup on the first G28 Aug 22, 2022 · Verify that your endstops are actually working. I've taken the time to write very detailed instructions about the process. Endstops Not Stopping. Load the computed values into the sensor. I make the home but at the end of the race it makes the second home only on the z axis and not also z1. 2 KB. Advertisement. Problem Buuut… Every time I try to home it slams the x and y A modern and responsive user interface for Klipper. Multiple endstops per stepper, select secondary endstop within "G28" Command. Load Cell G-Code commands. Sep 25, 2019 · My probe is connected to ar18. We expect the extrusion force during a print (1-2Kg) to greatly exceed reasonable crash limits (500g? less?) and we cant have a shutdown then. Delta calibration involves finding the tower endstop positions, tower angles, delta radius, and delta arm lengths. Each one of these parameters has a non-obvious and non-linear impact and it is Nov 15, 2021 · 1 Like. 3. If anyone has any trouble trying to get Klipper and the Web Interface to work, let Jan 27, 2020 · For the first time sensorless homing worked,but. I'm using the same settings and wiring. A query_endstops showed that two of the three endstops stay triggered. The HX711 uses a transistor for this, the HX717 seems not to do this. Dec 21, 2023 · The logic inversion is of course irrelevant until I see some sort of active response at the klipper level Tried 3. But sometimes this option is necessary in complex mechanisms, for example, the toolchanger mechanism. The descriptions in this document are formatted so that it is possible to cut-and-paste them into a printer config file. The focus lies on both anticipating what users may need to do and ensuring that the user interface contains elements that are easily accessible, understandable, and user-friendly to make those actions easier. Configuration reference. 3. They provide more control over the initialization procedure, which can be particularly useful for printers that require more complex initialization steps. I've created a github repository that contains everything one needs to get the Klipper firmware and Mainsail or Fluidd up and running. … May 19, 2021 · Features. nosock March 1, 2024, 9:23pm 1. Aug 3, 2022 · Hi, finally managed to install klipper after battle with 1. These seem like significant advantages of a load cell probe that are not easy to replicate with any other probing technology. cfg. Support for both min and max endstop pins per axis #284. Easy to use. After a print i Feb 16, 2020 · Hi @vladbabii,. log file. have you tested that the endstops actually work ? aka, when NOT triggered, query_endstops should return "open", and when triggered by hand, should read "triggered". Also, any information on configuring this printer: using Sep 3, 2021 · General Discussion. Mar 27, 2021 · Does the QUERY_ENDSTOPS expect the normal configuration of endstop only or is updated with custom mapping of the endstop? See attached image of the terminal - the first query had no endstops physically triggered, the second query has all endstop physically triggered - Only the X axis responds approprietely. Sep 12, 2022 · Anyone that has a knack for Klipper may be able to chime in for me on this. Proof of Concept: Using Accelerometer as Probe. At this moment, the closest (working) solution I Apr 12, 2023 · i proceded to check if it was a state inversion with: QUERY_ENDSTOPS , and the result is the real problem: one, the X axes return open when manualy activated, and the Y and Z (euclid probe) return triggered manualy activated or not. General Discussion. This document provides information on using Trinamic stepper motor drivers in SPI/UART mode on Klipper. You need to configure these pins according to your wiring. Apr 9, 2024 · Hello together, im running a custom printer via Klipper on Android. fix for this Klipper error: Invalid homing_positive_dir / position_endstop in ‘stepper_x’ Thanks in advance. Do not install the magnets at this time. Ah, OK. 9 KB) After a longer break of arround 3 months, i recently plugged in my printer. by Jonathan Charnas. If you have a [safe_z_home] section, you need to comment out the entire block (not just the [safe_z_home] line!). BLtouch does it's 3 clicks and startup and is light up red as normal. Dec 30, 2022 · The z_tilt module is intended for use on printers with multiple Z lead screws. When I try and home the machine, it will jam itself into the frame and just skip steps over and over, this is due to the endstops not trigggering. On my version of K1, I tried to cut out all the Creality changes in the Klipper code and return the files to their original form. cz123123: CS1237. Compute the sensors characteristics from those graphs. The optical endstops should power up regardless of how the signal This will query the endstop 'probe' 5 times or until it is not triggered, with a 0. Everything else seems to work (motors, heaters, endstops, fans) except the virtual endstop. If you want use sensorless homing, you have to solder new pin to DIAG1 output. It's not clear which endstop you are having issues with. MCU / Printerboard: 4. These extended commands all follow a similar format - they start with a command name and may be followed by one or more parameters. Nothing helped. It adjusts the relative heights of the z screws based upon probe measurements. Klipper creates a "virtual serial port" via the "/tmp/printer" file, and it emulates a classic 3d-printer serial interface via that file. Code. Refresh status → Triggered one should show “triggered”. It works quite good, with no changes in cura from marlin. History. See klipper/Config_Reference. When this happened to me I found moving the tmc2209 manual_stepper winch code block before the manual_stepper winch code block solved the problem. This Configuration checks. 1. The alternate Z joint should be installed at the Z2 position, next to the A motor. When manually triggering the Z endstop, nothing happens. zip (9. Prusa showed off the XL printer which has a load cell in the tool head used for Z homing, bed meshing and X/Y nozzle alignment. 0-0-gce48c585 klipper - v0. 5 KB) Describe your issue: Brand new user of Klipper but not new to 3d printing. Using (2) M3x30 SHCS, install the hall effect pod into the right XY joint. x is plugged into Diag0 (PG6) and Y into Diag1 (PG9) In mainsail machine page, the endstop status Feb 29, 2024 · Proof of Concept: Using Accelerometer as Probe. For each of the endstops, rerun the QUERY_ENDSTOPS command while manually triggering the endstop. This section provides a list of steps to help confirm the pin settings in the Klipper printer. 1 fluidd-config - v1. Be sure to issue a RESTART command after every change to the config file to ensure that the change takes effect (type “restart” in Jan 12, 2024 · Thanks and going to start going through all the steps. rear right screw must be turned counter-clockwise 50 minutes. Is there a way to configure Mainsail to show that panel (also) in the Dec 5, 2023 · Strain Gauge/Load Cell based Endstops - Page 15 - Developers - Klipper. Nice work @garethky I planed to use 4 load cell to measure belt tension with your code. log klippy. The CR10 SE has the nozzle mounted on one load-cell. ny ub cx wp de kl on ux cr rk