Buildbotics CNC Controller

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  • 4 stepper motor outputs (up to 6A each)
  • Control and configure from your web browser
  • Gamepad manual control
  • Remote video monitoring (optional)
  • Wired or wireless, WiFi network
  • 4 USB ports
  • 2 Switched load outputs
  • 8 Limit switch inputs
  • PWM & RS485 (VFD) spindle control
  • Z-axis probe interface
  • 250k steps/second on each motor output
  • 12 to 36 volt input
  • Up to 1/256th microstepping
  • S-Curve path planning
  • Understands all common GCodes
  • 3D Visualization of GCode paths
  • Accurate ETA and time estimates
  • Free CAMotics GCode verification software
  • 100% Open-Source
  • And much more...


60 Day Money-back Guarantee

If you are not 100% satisfied, return the product to us within 60 days and we'll refund the purchase price. Note, shipping costs will not be refunded.

Visible signs of abuse will void this guarantee.


  • The Buildbotics CNC Controller
  • A Logitech F310 gamepad for manual control
  • DB25 breakout box for easy access to all I/O
  • 4 x 10-foot motor cables
  • 1 x DC power supply cable
  • 2 x load switch cable stubs


  • Mean Well GST220A power supply (Fully enclosed 36 volt, 220 Watt power supply)
  • Mean Well LRS-350-36 (36V, 350 watt power supply)
  • USB webcam

23 Reviews

  • 5
    Great controller

    Posted by Bryan on May 31st 2021

    I built my CNC from scratch and as a computer programmer I thought I'd do the controller also, scrape together some parts and some freeware and have at it.... what a waste of my time. This controller is great, I was up and running in hours and have been doing projects ON the machine ever since. What a great turn key unit. I had a couple questions and the support was fantastic, timely and accurate, this experience has been all around wonderful.
    Thanks for making a terrific product,

  • 5
    Buildbotics CNC controller

    Posted by Chilly on May 18th 2021

    Excellent product! Very well thought out and designed to get you up and running quickly. Everything you need to drive and control your machine. Good quick start documentation included and quick customer service response. Highly recommended.

  • 5
    Buildbotics CNC Controller

    Posted by Geoff Kohn on Apr 19th 2021

    One of the better thought out products I have found. I have been thinking about refitting the control on a Dyna 2400 that has been in my way for 10 years. Control arrived Friday morning and machine was running Friday afternoon. Everything was in the box and the instructions could not have been simpler or clearer.
    It has been a while since I wrote any G-code but the control reviews my code and tells me where I need to make corrections. Very helpful feature. I am very pleased with this purchase.

  • 5
    Great Controller

    Posted by colen casey on Apr 16th 2021

    I was looking for a all in one solution to my custom CNC and when I found this controller it seemed to check all my boxes
    I've only just started using it but so far its been easy to setup and great to work with.
    Being able to access it over my network was a must for me and this does it via wired or wireless connection.
    there are a few lower cost alternatives but you dont get all the options you get here and they give all the wireing to make the connections as well.

  • 5
    What an excellent Controller!

    Posted by M.Andersson on Apr 11th 2021

    I was looking to upgrade my RawCNC 1.5 with a more reliable and easy-to-use controller, and after being in contact with Doug and asking some basic questions that were all met with fast, honest and very informative replies, I eventually settled for the Buildbotics Controller. I put in the order towards the end of a week, and I had the box delivered to my door on monday by DHL. A very impressive feat considering I live in Scandinavia, and it was shipped overseas from the US. I can honestly say that I don't even get packages from inside my own country that fast, and it caught me by (a very pleasant) surprise to say the least.

    Now, about a month later after hooking it up to the machine, reading up on the how-to and any small issues I encountered along the way, toying with the interface and finding the right tuning and settings for my particular CNC router, I can only express my thanks and congratulations for an excellent product that does exactly what it's advertised and supposed to do. Connecting it to my machine with the included cables was a total breeze and so far it has performed flawlessly with every program I've thrown at it, including some lengthy 10+ hour carvings.

    I’m looking forward to keep working with the Buildbotics Controller and finding out more of its potential and possible upgrades in the future.

    Thank you again for an excellent product and equally fantastic customer service! Keep up the stellar work!

  • 5
    Buildbotics Controller

    Posted by Larry Schmitt on Jan 21st 2021

    By far the easiest way to get my QueenBee Pro up and running. Customer Service is just amazing, Doug took time to walk me through a problem I had. He then asked if I wanted to try Detect Homing and walked me through that. Doug you have a Customer for life, thank you for taking the time out of your evening to help me.

  • 5
    Buildbotics Controller

    Posted by Amos Devonish on Dec 6th 2020

    I just want to say that I am very impressed with this controller especially when it comes to the many features it has. I have searched far and wide for a controller that suits my budget and at the same time allows me to run nema 34 motors. Doug has been walking me through the process before I even purchased the controller and one thing I can say is that the service and product they provide is exceptional. Doug is very reliable. I still have a long way to go with the project I have in mind for a machine but so far I am pleased with everything and I can see why they have so many wonderful reviews with the buildbotics controller. Great product buildbotics. Keep up the good work.

  • 5

    Posted by David Gist on Oct 8th 2020

    Great service and product! Really nice to speak to someone with knowledge and the willingness to help.

  • 5

    Posted by Stuart Myrhow on Sep 7th 2020

    Just got it running. Great product. Saved me weeks of messing around with options. So far so good.