# Uncategorized **URL:** https://rootcnc.discourse.group/c/uncategorized/1.md [Latest](https://rootcnc.discourse.group/latest.md) · [Categories](https://rootcnc.discourse.group/categories.md) · [Tags](https://rootcnc.discourse.group/tags.md) --- ## [Welcome to Discourse](https://rootcnc.discourse.group/t/welcome-to-discourse/7)
**Author:** [@system](https://rootcnc.discourse.group/u/system)\ **Replies:** 1\ **Last updated:** [11 February 2022 09:34 UTC](https://rootcnc.discourse.group/t/welcome-to-discourse/7 "2022-02-11T09:34:18Z")
Open source 3D printed CNC machine which you can download and print to start creating what ever comes to mind. Join our new Discourse forum to talk to like minded people and share ideas. Rules: :abc: 1. Use English … --- ## [Using a pendant](https://rootcnc.discourse.group/t/using-a-pendant/388)
**Author:** [@Bdm01](https://rootcnc.discourse.group/u/Bdm01)\ **Replies:** 5\ **Last updated:** [2 July 2025 15:38 UTC](https://rootcnc.discourse.group/t/using-a-pendant/388 "2025-07-02T15:38:25Z")
Hi, Has anyone connected a pendant to their root controller, if so which one and where to purchase or get the components --- ## [Root controller and GRBL](https://rootcnc.discourse.group/t/root-controller-and-grbl/442)
**Author:** [@Matteo](https://rootcnc.discourse.group/u/Matteo)\ **Replies:** 16\ **Last updated:** [13 May 2025 05:18 UTC](https://rootcnc.discourse.group/t/root-controller-and-grbl/442 "2025-05-13T05:18:54Z")
Hello, I’m new to the forum and I apologize if I make any mistakes. I would like to buy the ROOT CONTROLLER REV.3 for a 4-axis CNC (3 + rotary). I would like to use it with the G-SENDER software (SIENCI LAB) and I would… --- ## [Using relays on root](https://rootcnc.discourse.group/t/using-relays-on-root/439)
**Author:** [@joe](https://rootcnc.discourse.group/u/joe)\ **Replies:** 1\ **Last updated:** [31 March 2025 09:45 UTC](https://rootcnc.discourse.group/t/using-relays-on-root/439 "2025-03-31T09:45:58Z")
How do you use the relays on the root controller. What changes are needed in the config and how to call them out in Gcode or m function. --- ## [Limit switches and other inputs](https://rootcnc.discourse.group/t/limit-switches-and-other-inputs/436)
**Author:** [@Jacomaat](https://rootcnc.discourse.group/u/Jacomaat)\ **Replies:** 1\ **Last updated:** [17 March 2025 21:57 UTC](https://rootcnc.discourse.group/t/limit-switches-and-other-inputs/436 "2025-03-17T21:57:13Z")
Hello, I’m working on a CNC machine using the Root CNC controller (Rev3), closed loop steppers and a VFD powered spindle. I’ve managed to get the machine running and have already done some small jobs using a diode lase… --- ## [Was not able to flash device: Error: Failed to connect with the device esptool.js Serial port WebSerial VendorID 0x1a86 ProductID 0x7523](https://rootcnc.discourse.group/t/was-not-able-to-flash-device-error-failed-to-connect-with-the-device-esptool-js-serial-port-webserial-vendorid-0x1a86-productid-0x7523/408)
**Author:** [@joe](https://rootcnc.discourse.group/u/joe)\ **Replies:** 2\ **Last updated:** [18 November 2024 17:37 UTC](https://rootcnc.discourse.group/t/was-not-able-to-flash-device-error-failed-to-connect-with-the-device-esptool-js-serial-port-webserial-vendorid-0x1a86-productid-0x7523/408 "2024-11-18T17:37:02Z")
trying to get back to factory setup getting the this Was not able to flash device: Error: Failed to connect with the device esptool.js Serial port WebSerial VendorID 0x1a86 ProductID 0x7523 using FluidNC Web Installe… --- ## [Side panels not in the shop anymore?](https://rootcnc.discourse.group/t/side-panels-not-in-the-shop-anymore/405)
**Author:** [@Rverbeet](https://rootcnc.discourse.group/u/Rverbeet)\ **Replies:** 0\ **Last updated:** [29 October 2024 12:14 UTC](https://rootcnc.discourse.group/t/side-panels-not-in-the-shop-anymore/405 "2024-10-29T12:14:03Z")
Hello, I want to get into the CNC world and I thought about building the root 4 lite. Unfortunately I see the side panels have disappeared from the shop recently. As I don’t have a CNC machine I have no solution current… --- ## [Root 4 lite nema23?](https://rootcnc.discourse.group/t/root-4-lite-nema23/396)
**Author:** [@Jagus](https://rootcnc.discourse.group/u/Jagus)\ **Replies:** 0\ **Last updated:** [13 September 2024 14:15 UTC](https://rootcnc.discourse.group/t/root-4-lite-nema23/396 "2024-09-13T14:15:44Z")
Hello, I wanted to build root 4 lite but I have nema23 engines. Does anyone have the stl files or do I have to convert them myself? --- ## [Can the end stops share a ground?](https://rootcnc.discourse.group/t/can-the-end-stops-share-a-ground/212)
**Author:** [@tijuanakez](https://rootcnc.discourse.group/u/tijuanakez)\ **Replies:** 5\ **Last updated:** [23 May 2024 07:54 UTC](https://rootcnc.discourse.group/t/can-the-end-stops-share-a-ground/212 "2024-05-23T07:54:44Z")
Just finally getting time to do wiring on Root 3 CNC and noticed the Panel seems to accomodate a D9 connector which has not enough terminals for 6 end stops including ground each. But seeing as they all share a ground b… --- ## [End stop / limit switch config and location](https://rootcnc.discourse.group/t/end-stop-limit-switch-config-and-location/375)
**Author:** [@bagofjuice](https://rootcnc.discourse.group/u/bagofjuice)\ **Replies:** 0\ **Last updated:** [23 May 2024 07:51 UTC](https://rootcnc.discourse.group/t/end-stop-limit-switch-config-and-location/375 "2024-05-23T07:51:18Z")
I’m finishing off my Root3 (finally) and just awaiting delivery of the Root controller ISO and better stepper drivers. I had a couple of questions re. end stops: I wired up the limit switches yesterday using the NO pin… --- ## [Beginners Guide ? Where?](https://rootcnc.discourse.group/t/beginners-guide-where/360)
**Author:** [@WhoAmI](https://rootcnc.discourse.group/u/WhoAmI)\ **Replies:** 0\ **Last updated:** [18 February 2024 09:26 UTC](https://rootcnc.discourse.group/t/beginners-guide-where/360 "2024-02-18T09:26:24Z")
I cant find a Beginners Guide, have a lot of Problems and i cant see the Light ! 1.) Update fluidNC: Flashing OK, but: No functional WebServerContent: Cannot connect to FW. 2.) Totally confusing information, spread eve… --- ## [Using internal test pins of root iso v3 controller as inputs](https://rootcnc.discourse.group/t/using-internal-test-pins-of-root-iso-v3-controller-as-inputs/348)
**Author:** [@james](https://rootcnc.discourse.group/u/james)\ **Replies:** 3\ **Last updated:** [15 January 2024 21:59 UTC](https://rootcnc.discourse.group/t/using-internal-test-pins-of-root-iso-v3-controller-as-inputs/348 "2024-01-15T21:59:52Z")
I have run out of inputs on my root iso version 3. I see in the wiki that 3 gpio pins (36, 39 and 25) are used as internal test points. Its it possible to solder wires to these test points and use the gpio pins as inputs… --- ## [VFD frequeny converter](https://rootcnc.discourse.group/t/vfd-frequeny-converter/345)
**Author:** [@GePo](https://rootcnc.discourse.group/u/GePo)\ **Replies:** 1\ **Last updated:** [15 January 2024 21:59 UTC](https://rootcnc.discourse.group/t/vfd-frequeny-converter/345 "2024-01-15T21:59:18Z")
I suppose a VFD without RS485 support has to be controlled over the laser output. But what signal is there? I need 10V. --- ## [Remote button/probe wiring](https://rootcnc.discourse.group/t/remote-button-probe-wiring/330)
**Author:** [@rv8flyboy](https://rootcnc.discourse.group/u/rv8flyboy)\ **Replies:** 2\ **Last updated:** [9 December 2023 16:11 UTC](https://rootcnc.discourse.group/t/remote-button-probe-wiring/330 "2023-12-09T16:11:49Z")
Hi Folks, new here spent the morning poking around for more info on wiring the remote button/probe to the root controller. best i could find was this line: “The inputs which are used for “start”, “hold” and “macro” do … --- ## [Root R3 Roll-Back](https://rootcnc.discourse.group/t/root-r3-roll-back/332)
**Author:** [@chag](https://rootcnc.discourse.group/u/chag)\ **Replies:** 2\ **Last updated:** [20 November 2023 19:34 UTC](https://rootcnc.discourse.group/t/root-r3-roll-back/332 "2023-11-20T19:34:41Z")
Hello, I am working on an Root R3. Stepper Motor Nema 17. Arduino with CNC shield V3. Software is Universal Gcode Plattform. On the X-Aches, I have an “Roll-Back” after reaching the position. Do you have an Hint fo… --- ## [Guitar cnc advise](https://rootcnc.discourse.group/t/guitar-cnc-advise/214)
**Author:** [@JoostD](https://rootcnc.discourse.group/u/JoostD)\ **Replies:** 10\ **Last updated:** [5 March 2023 11:26 UTC](https://rootcnc.discourse.group/t/guitar-cnc-advise/214 "2023-03-05T11:26:55Z")
Hi, As a hobby I built guitars. And now I’m looking to build a cnc to help achieve more precise and repeatable results. The bed I’m looking for is about 80\*40/50cm big. Is a root 4 lite doable for this? What cnc would… --- ## [Root 4 BOM file](https://rootcnc.discourse.group/t/root-4-bom-file/285)
**Author:** [@pashkagrdn](https://rootcnc.discourse.group/u/pashkagrdn)\ **Replies:** 1\ **Last updated:** [4 March 2023 21:06 UTC](https://rootcnc.discourse.group/t/root-4-bom-file/285 "2023-03-04T21:06:02Z")
Hello Pete. Thanks for your work. I have been using root 3 CNC for over 2 years, but now I decided to assemble the ROOT 4 CNC, and I can not find BOM for ROOT 4. Page not found- 404. How i can recieve BOM for ROOT 4 CNC… --- ## [Root 3 or root 4 lite?](https://rootcnc.discourse.group/t/root-3-or-root-4-lite/93)
**Author:** [@tijuanakez](https://rootcnc.discourse.group/u/tijuanakez)\ **Replies:** 3\ **Last updated:** [8 July 2022 18:59 UTC](https://rootcnc.discourse.group/t/root-3-or-root-4-lite/93 "2022-07-08T18:59:25Z")
So began a CNC project about 5 years ago, and gave up, mainly as the plans I had were for Imperial units and sourcing everything got too difficult here in metric Australia. Fast forward to now, I have myself a 3D printe… --- ## [T8 lead screw on Z axis](https://rootcnc.discourse.group/t/t8-lead-screw-on-z-axis/226)
**Author:** [@lsoaresesilva](https://rootcnc.discourse.group/u/lsoaresesilva)\ **Replies:** 1\ **Last updated:** [28 June 2022 15:59 UTC](https://rootcnc.discourse.group/t/t8-lead-screw-on-z-axis/226 "2022-06-28T15:59:06Z")
Hello, I have a spare T8 lead screw and was thinking of using it on the Z-axis because SFU1605 is quite expensive in my country. Is it possible? at least temporally? In the Y and X-axis I will be using the SFU1605. Tha… --- ## [Root 4 Lite maintenance](https://rootcnc.discourse.group/t/root-4-lite-maintenance/222)
**Author:** [@RobF](https://rootcnc.discourse.group/u/RobF)\ **Replies:** 2\ **Last updated:** [15 June 2022 13:12 UTC](https://rootcnc.discourse.group/t/root-4-lite-maintenance/222 "2022-06-15T13:12:01Z")
Hi all, Would be curious what maintenance people do and recommend on Root CNCs? The ballscrews in particularly are new to me - how often should I lubricate and any special tools required? Presumably otherwise just wip… --- ## [R3 Parts for sale in Germany - Motors, Drivers, Spindle, Rails, Belts](https://rootcnc.discourse.group/t/r3-parts-for-sale-in-germany-motors-drivers-spindle-rails-belts/114)
**Author:** [@henk85](https://rootcnc.discourse.group/u/henk85)\ **Replies:** 6\ **Last updated:** [11 February 2022 09:07 UTC](https://rootcnc.discourse.group/t/r3-parts-for-sale-in-germany-motors-drivers-spindle-rails-belts/114 "2022-02-11T09:07:40Z")
Hey there, i have to abandon my unfinished R3 project because i have no place to put it after moving to a new apartment. You will find an uncomplete list below. I have written down some prices but they are just a guidel… --- ## [Root 3 cost estimate](https://rootcnc.discourse.group/t/root-3-cost-estimate/167)
**Author:** [@kcinnick](https://rootcnc.discourse.group/u/kcinnick)\ **Replies:** 1\ **Last updated:** [22 January 2022 04:59 UTC](https://rootcnc.discourse.group/t/root-3-cost-estimate/167 "2022-01-22T04:59:53Z")
I am looking at 3d printed CNC’s. I want to build something 2’X3’ or so and see how much I use it before I jump into a full 4’X8’ build to do plywood sized sheets. Does anyone have a cost estimate for a root 3 that siz… --- ## [6 Years ago... Root 2 made its first part](https://rootcnc.discourse.group/t/6-years-ago-root-2-made-its-first-part/131)
**Author:** [@Pete](https://rootcnc.discourse.group/u/Pete)\ **Replies:** 0\ **Last updated:** [11 October 2021 19:33 UTC](https://rootcnc.discourse.group/t/6-years-ago-root-2-made-its-first-part/131 "2021-10-11T19:33:38Z")
6 Years ago Root 2 made its first part! The part was a test piece for a 3D printer I was making at the time. unfortunately that printer is no more. but its nice too see where we’ve come from. --- ## [Cncgcodecontroller](https://rootcnc.discourse.group/t/cncgcodecontroller/130)
**Author:** [@Davor](https://rootcnc.discourse.group/u/Davor)\ **Replies:** 1\ **Last updated:** [7 October 2021 18:09 UTC](https://rootcnc.discourse.group/t/cncgcodecontroller/130 "2021-10-07T18:09:16Z")
Hello I’m interested in what software you use to control the Root 3 lite machine. I am finishing the project soon, but I am in doubt whether to use marlin or grbl firmare. I made a lot of 3d printers with Marlin firmare… --- ## [Root 4 kit of printed parts](https://rootcnc.discourse.group/t/root-4-kit-of-printed-parts/83)
**Author:** [@vision2020](https://rootcnc.discourse.group/u/vision2020)\ **Replies:** 2\ **Last updated:** [16 May 2021 22:00 UTC](https://rootcnc.discourse.group/t/root-4-kit-of-printed-parts/83 "2021-05-16T22:00:13Z")
hey all. i really like this cnc machine, but unfortunatly i do not own a 3d printer, and dont see myself getting one, i was hoping someone might be willing to make me up a set of printed parts for $$$ --- ## [Setting up Marlin for your Root CNC](https://rootcnc.discourse.group/t/setting-up-marlin-for-your-root-cnc/76)
**Author:** [@tpeyron](https://rootcnc.discourse.group/u/tpeyron)\ **Replies:** 4\ **Last updated:** [15 May 2021 22:01 UTC](https://rootcnc.discourse.group/t/setting-up-marlin-for-your-root-cnc/76 "2021-05-15T22:01:33Z")
Hi, I’ve just finished the Marlin set up of my Root 3 CNC, and since I did it from scratch and learned a lot of things about it, I wanted to share this process with you. Marlin firmware is mostly used for 3D printers, … --- ## [What eletric cables should I use ? (besides the 24/26AWG)](https://rootcnc.discourse.group/t/what-eletric-cables-should-i-use-besides-the-24-26awg/75)
**Author:** [@tpeyron](https://rootcnc.discourse.group/u/tpeyron)\ **Replies:** 2\ **Last updated:** [29 April 2021 06:31 UTC](https://rootcnc.discourse.group/t/what-eletric-cables-should-i-use-besides-the-24-26awg/75 "2021-04-29T06:31:48Z")
Hi all, I’ve just finished my build of the ROOT 3, but I’m not particularly happy with the cabling I’ve done. I’ve chosen to run it with RAMPS 1.4, and Nema 23 23HS41-1804S. Since I couldn’t found any local suppliers … --- ## [HSMWorks / Fusion 360 CAM Post processor](https://rootcnc.discourse.group/t/hsmworks-fusion-360-cam-post-processor/52)
**Author:** [@sailorpete](https://rootcnc.discourse.group/u/sailorpete)\ **Replies:** 0\ **Last updated:** [6 April 2021 20:25 UTC](https://rootcnc.discourse.group/t/hsmworks-fusion-360-cam-post-processor/52 "2021-04-06T20:25:01Z")
Please see attached for the post processor I used for generating generic Gcode for use with Marlin. This Post Processor creates a generic Gcode which ignores any starting or end Gcode commands - this is purely movement …