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Frequently bought together:


INTERFACE puts control in your hands, enabling you to Jog, Home, Zero, Load and Run jobs all from a stand alone plug and play hand held pendant.

No computer required! Run your jobs directly at your machine with the OpenBuilds INTERFACE.
Its never been easier, simply load the job, set the starting point and run it.

INTERFACE was designed as a purpose built tool that is a part of your machine. It is rugged, user friendly and it will quickly become a favorite in your shop!


  • Standalone Human-Machine Interface for controlling your machine
  • Tactile haptic and audible feedback system for confirmation in noisy CNC environments
  • Supports Homing, Jogging, Probing, Zeroing and Running your CNC (of USB thumb drive)
  • Capacitive touch switches for the UI
  • Plug-and-play with OpenBuilds BlackBox Motion Controller
  • Can easily be mounted to your machine front with our Mounting Kit Option (Magnet not included)
  • *Note: Can be used with any Grbl 1.1 based controller, which has RX/TX/GND/5V pins (may require you to make your own cabling)

What is Included

  • (1) Interface
  • (1) Surge suppressor board
  • (1) 2.5m Connection cable
  • (1) USB Drive
  • (1) USB-C Cable

Product Specifications

  • 240Mhz 32-bit Xtensa Dual-Core Microprocessor
  • 520Kb SRAM
  • 4Mb Flash
  • 802.11 b/g/n Wifi (Firmware upgrades)
  • Bluetooth v4.2 and BLE
  • High Contrast Color TFT LCD display
  • LED Backlit Capacitive Touch buttons
  • Beeper
  • Vibration Motor
  • USB-C Connectivity
  • Grbl 1.1f and newer Support
  • FAT32 Flash Drive Support
  • RoHS and CE Certified

Assembly/Support/Documentation/3D Models

Easy follow along tutorial videos – awesome community support – top notch documentation

Support OpenBuilds Support Docs CAD Files

This design or build includes CopperPour, LLC design work(s) shared Open Source under the CC BY-NC-SA 4.0 License

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18 Reviews

  • 5
    Great product!

    Posted by Bryce on Jun 12th 2022

    Absolutely great product and customer service! I recommend OB all the time!

  • 5
    Great addition for my OpenBuilds Black Box

    Posted by Roger Behrens on May 5th 2022

    This will compliment my OpenBuild Black Box and my upcoming CNC Plasma Build.

  • 5
    Good products & very good support

    Posted by Nawaf on Mar 15th 2022

    Good product, more practical than using laptop.

  • 5
    just added to my Frankenstein CNC - shapeoko 2

    Posted by Anthony LaNuevo on Dec 2nd 2021

    I just got this setup. The documentation was perfect. Coming from the IT world you just don't find good documentation. so I really appreciate it. with a great interface. a must buy

  • 5
    Controller Interface

    Posted by Peter Walker on Nov 29th 2021

    Wonderful addition to my LEAD 1515 CNC. Very nice to be close to the material and jog the machine around without having to use a laptop. Recommend this to anyone that a great distance between preferred machine location and CNC location.

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