# Controller (Buildbotics) FAQ

**URL:** https://forum.onefinitycnc.com/c/onefinity-cnc/controller/47.md

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## [About the Controller (Buildbotics) FAQ category](https://forum.onefinitycnc.com/t/about-the-controller-buildbotics-faq-category/10833)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0

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## [BB Buildbotics Not Powering On - Troubleshooting (FAQ)](https://forum.onefinitycnc.com/t/bb-buildbotics-not-powering-on-troubleshooting-faq/36849)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [December 13, 2025, 6:35pm UTC](https://forum.onefinitycnc.com/t/bb-buildbotics-not-powering-on-troubleshooting-faq/36849 "2025-12-13T18:35:24Z")

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If your Onefinity CNC BB Buildbotics Controller will not power on: :warning:WARNING: ALWAYS DISCONNECT YOUR ONEFINITY CONTROLLER FROM IT’S POWER CABLE BEFORE OPENING Before doing anything else, ensure the estop is full…

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## [Losing Steps on Tight Curves or Arcs? Here’s Why the BB Controller Struggles With Heavy Node Counts (FAQ)](https://forum.onefinitycnc.com/t/losing-steps-on-tight-curves-or-arcs-here-s-why-the-bb-controller-struggles-with-heavy-node-counts-faq/36753)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [December 2, 2025, 4:24pm UTC](https://forum.onefinitycnc.com/t/losing-steps-on-tight-curves-or-arcs-here-s-why-the-bb-controller-struggles-with-heavy-node-counts-faq/36753 "2025-12-02T16:24:12Z")

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If your Original or Pro Series Onefinity (BB Buildbotics controller) loses steps when carving tight curves, arcs, or detailed artwork, the issue almost always comes down to processing overload, not mechanics. The Real …

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## [Easy Adapter connector Pin-Out](https://forum.onefinitycnc.com/t/easy-adapter-connector-pin-out/36127)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [November 7, 2025, 8:04pm UTC](https://forum.onefinitycnc.com/t/easy-adapter-connector-pin-out/36127 "2025-11-07T20:04:50Z")

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Easy Adapter Buildbotics Pin Out.pdf (753.5 KB)

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## [Official Onefinity BB Joystick Controls (How to changes modes) For BB (Buildbotics) Controllers (FAQ)](https://forum.onefinitycnc.com/t/official-onefinity-bb-joystick-controls-how-to-changes-modes-for-bb-buildbotics-controllers-faq/2299)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [December 24, 2020, 5:19pm UTC](https://forum.onefinitycnc.com/t/official-onefinity-bb-joystick-controls-how-to-changes-modes-for-bb-buildbotics-controllers-faq/2299 "2020-12-24T17:19:07Z")

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This only applies to Onefinity CNC Machines using the BB Buildbotics controller. The correct model is ESM-9013 (original joypad from 2020-early 2026) (pro version will not work) (other model numbers may not move the z…

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## [How To Switch The Buildbotics Controller from 110-220v](https://forum.onefinitycnc.com/t/how-to-switch-the-buildbotics-controller-from-110-220v/2125)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [December 15, 2020, 11:24pm UTC](https://forum.onefinitycnc.com/t/how-to-switch-the-buildbotics-controller-from-110-220v/2125 "2020-12-15T23:24:40Z")

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Your Onefinity Original or Pro machine with buildbotics controller will come preconfigured for your countries power supply from the factory. In the event you need to change the voltage, you can do so inside of the contr…

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## [Connecting The Onefinity CNC To A Network (Buildbotics Controller)](https://forum.onefinitycnc.com/t/connecting-the-onefinity-cnc-to-a-network-buildbotics-controller/1032)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [September 26, 2020, 10:14pm UTC](https://forum.onefinitycnc.com/t/connecting-the-onefinity-cnc-to-a-network-buildbotics-controller/1032 "2020-09-26T22:14:26Z")

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Important points: Firmware 1.1 and beyond’s new network screen shows what wifi signals the controller is seeing. Select one, then input the password to connect. If it does not see your wifi it means your controller …

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## [BB Buildbotics Controller unresponsive after using the pause or stop buttons (Suck In Jogging FAQ)](https://forum.onefinitycnc.com/t/bb-buildbotics-controller-unresponsive-after-using-the-pause-or-stop-buttons-suck-in-jogging-faq/11603)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [March 2, 2022, 2:01pm UTC](https://forum.onefinitycnc.com/t/bb-buildbotics-controller-unresponsive-after-using-the-pause-or-stop-buttons-suck-in-jogging-faq/11603 "2022-03-02T14:01:10Z")

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There are some rare instances when the controller becomes unresponsive after using the pause or stop buttons. A little background. The controller we use is built off the open source Buildbotics project that existed for…

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## [Support: How to determine if a wire or motor is damaged](https://forum.onefinitycnc.com/t/support-how-to-determine-if-a-wire-or-motor-is-damaged/18446)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 1\
**Last updated:** [September 23, 2024, 7:42pm UTC](https://forum.onefinitycnc.com/t/support-how-to-determine-if-a-wire-or-motor-is-damaged/18446 "2024-09-23T19:42:18Z")

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This faq is used by support to determine if a wire or motor is damaged, and how to identify each one. WARNING: DO NOT UNPLUG OR PLUG ANY WIRES IN WHILE THE CONTROLLER IS ON! YOU WILL DAMGAGE YOUR MOTOR DRIVERS AND VOID…

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## [Proper Shutdown on the Onefinity CNC BB controller (original and pro models)](https://forum.onefinitycnc.com/t/proper-shutdown-on-the-onefinity-cnc-bb-controller-original-and-pro-models/11658)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [March 4, 2022, 9:34pm UTC](https://forum.onefinitycnc.com/t/proper-shutdown-on-the-onefinity-cnc-bb-controller-original-and-pro-models/11658 "2022-03-04T21:34:52Z")

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If the screen does not shut down after powering down and flipping the power switch: There are times when the controller will stay on after flipping the rocker switch to off or, in the case of the led push …

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## [Onefinity Original/Pro with BB Wiring Diagram](https://forum.onefinitycnc.com/t/onefinity-original-pro-with-bb-wiring-diagram/14240)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [July 20, 2022, 7:32pm UTC](https://forum.onefinitycnc.com/t/onefinity-original-pro-with-bb-wiring-diagram/14240 "2022-07-20T19:32:31Z")

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This is important for anyone who is doing aftermarket modifications (not supported by Onefinity and done improperly can permanently damage your controller, voiding the warranty) to their wiring. There is a cable cross i…

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## [File Format For Loading Files onto a USB stick (Buildbotics)](https://forum.onefinitycnc.com/t/file-format-for-loading-files-onto-a-usb-stick-buildbotics/1725)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [November 21, 2020, 4:43pm UTC](https://forum.onefinitycnc.com/t/file-format-for-loading-files-onto-a-usb-stick-buildbotics/1725 "2020-11-21T16:43:14Z")

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This only applies to the buildbotics controller. If your going to use a usb stick to load your gcode files, make sure your usb stick is either partitioned in the NTSF or FAT32 format. Using any other file type may not …

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## [Onefinity CNC Extension Wire Installation (Original/Pro with Bb))](https://forum.onefinitycnc.com/t/onefinity-cnc-extension-wire-installation-original-pro-with-bb/12169)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [March 31, 2022, 7:02pm UTC](https://forum.onefinitycnc.com/t/onefinity-cnc-extension-wire-installation-original-pro-with-bb/12169 "2022-03-31T19:02:40Z")

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Onefinity Extension wires are made to extend the factory wires. They go between the controller and factory wires. They are not wire replacements. The wires are sold in packs of 2. To extend all the factory wires on a…

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## [Estop Wiring Diagram BB (buildbotics) controller](https://forum.onefinitycnc.com/t/estop-wiring-diagram-bb-buildbotics-controller/22037)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [August 23, 2023, 9:34pm UTC](https://forum.onefinitycnc.com/t/estop-wiring-diagram-bb-buildbotics-controller/22037 "2023-08-23T21:34:18Z")

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Do not open or touch unless directed to by Onefinity support.

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## [How to Test RJ485 port on Buildbotics (BB) Controller](https://forum.onefinitycnc.com/t/how-to-test-rj485-port-on-buildbotics-bb-controller/22036)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [August 23, 2023, 8:29pm UTC](https://forum.onefinitycnc.com/t/how-to-test-rj485-port-on-buildbotics-bb-controller/22036 "2023-08-23T20:29:43Z")

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With a multimeter, on the breakout board test pins 13 and 14 to ground, (pin 19) should read about 3.2VDC and 1.5VDC, respectively.

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## [Location of the Inline Fuse in the BB Controller (non Elite)](https://forum.onefinitycnc.com/t/location-of-the-inline-fuse-in-the-bb-controller-non-elite/7096)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [August 6, 2021, 11:48pm UTC](https://forum.onefinitycnc.com/t/location-of-the-inline-fuse-in-the-bb-controller-non-elite/7096 "2021-08-06T23:48:57Z")

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Fuse specs: 6a 250v, 5mx20mm Some older controllers do not contain an inline fuse

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## [Official Power Requirements for Onefinity (x-35/x-50 versions)](https://forum.onefinitycnc.com/t/official-power-requirements-for-onefinity-x-35-x-50-versions/5597)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [May 17, 2021, 9:06pm UTC](https://forum.onefinitycnc.com/t/official-power-requirements-for-onefinity-x-35-x-50-versions/5597 "2021-05-17T21:06:51Z")

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The DC output of the Meanwell power supply is 9.7A. This is not equivalent to the AC input current. To calculate the maximum AC input current you also have to take into account the efficiency of the power conversion. Lon…

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## [Axis moving in opposite direction that told to when jogging (Buildbotics)](https://forum.onefinitycnc.com/t/axis-moving-in-opposite-direction-that-told-to-when-jogging-buildbotics/18379)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [January 25, 2023, 4:18pm UTC](https://forum.onefinitycnc.com/t/axis-moving-in-opposite-direction-that-told-to-when-jogging-buildbotics/18379 "2023-01-25T16:18:49Z")

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Any time the axis moves in the opposite direction than what you direct it to, it’s 100% of the time a bad wire/connection. Sometimes, something as simple as disconnecting and reconnecting the wires connection solves it. …

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## [Hybrid 32x16 X-50 configuration](https://forum.onefinitycnc.com/t/hybrid-32x16-x-50-configuration/12636)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [April 22, 2022, 2:59pm UTC](https://forum.onefinitycnc.com/t/hybrid-32x16-x-50-configuration/12636 "2022-04-22T14:59:11Z")

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Warning: use only if directed by support. Disregard if support did not direct you to this post. Using this file incorrectly can damage your machine. 32x16x50hybrid.json (12.6 KB) To install: Download the above file …

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## [How to directly connect your Onefinity CNC to a computer/laptop (no screen present) (Buildbotics Controller)](https://forum.onefinitycnc.com/t/how-to-directly-connect-your-onefinity-cnc-to-a-computer-laptop-no-screen-present-buildbotics-controller/9248)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [November 30, 2021, 7:25pm UTC](https://forum.onefinitycnc.com/t/how-to-directly-connect-your-onefinity-cnc-to-a-computer-laptop-no-screen-present-buildbotics-controller/9248 "2021-11-30T19:25:07Z")

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Connecting your Onefinity CNC to a Computer/Laptop (no touchscreen present) Please note: Before you start please make sure wifi is turned off on your computer/laptop (as you will be using an ethernet cable) Turn off i…

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## [Joystick vs. Controller Terminology](https://forum.onefinitycnc.com/t/joystick-vs-controller-terminology/7034)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [August 3, 2021, 5:42pm UTC](https://forum.onefinitycnc.com/t/joystick-vs-controller-terminology/7034 "2021-08-03T17:42:18Z")

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Without the controller, the machine doesn’t work (it’s the black brain box). The joypad is a convince item, and allows for easier jogging to position the router.

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## [Max Velocity, Max Acceleration, Max Jerk plus Path Accuracy and Cornering Speed Explained (BB Buildbotics)](https://forum.onefinitycnc.com/t/max-velocity-max-acceleration-max-jerk-plus-path-accuracy-and-cornering-speed-explained-bb-buildbotics/12850)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [May 2, 2022, 8:21pm UTC](https://forum.onefinitycnc.com/t/max-velocity-max-acceleration-max-jerk-plus-path-accuracy-and-cornering-speed-explained-bb-buildbotics/12850 "2022-05-02T20:21:38Z")

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A great video by Buildbotics explaining the details behind max velocity, acceleration, jerk, path accuracy and cornering speed. https://www.youtube.com/watch?v=d68U80HeKc4

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## [Manually Setting X,Y,Z Zero on the Onefinity CNC](https://forum.onefinitycnc.com/t/manually-setting-x-y-z-zero-on-the-onefinity-cnc/11775)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [March 9, 2022, 10:16pm UTC](https://forum.onefinitycnc.com/t/manually-setting-x-y-z-zero-on-the-onefinity-cnc/11775 "2022-03-09T22:16:42Z")

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## [How To Remove All Gcode Files Manually (Fix for stuck file) (Buildbotics)](https://forum.onefinitycnc.com/t/how-to-remove-all-gcode-files-manually-fix-for-stuck-file-buildbotics/5626)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [May 19, 2021, 5:17pm UTC](https://forum.onefinitycnc.com/t/how-to-remove-all-gcode-files-manually-fix-for-stuck-file-buildbotics/5626 "2021-05-19T17:17:34Z")

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How to remove all gcode files manually. This process is used for when you see a stuck file. In 99% of cases, a incompatible file was loaded (such as the design file) and not gcode. The controller can read files labele…

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## [Proper Motor Settings for x-50 rails (Woodworker and Journeyman), with 1616 ball screw configuration](https://forum.onefinitycnc.com/t/proper-motor-settings-for-x-50-rails-woodworker-and-journeyman-with-1616-ball-screw-configuration/7152)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [August 10, 2021, 4:09pm UTC](https://forum.onefinitycnc.com/t/proper-motor-settings-for-x-50-rails-woodworker-and-journeyman-with-1616-ball-screw-configuration/7152 "2021-08-10T16:09:11Z")

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UPDATE: With the release of 1.0.9 firmware, these settings are now part of the default configuartion. Ensure you are on 1.0.9 firmware (https://forum.onefinitycnc.com/t/firmware-update-1-0-9-12-17-21-latest-release/848…

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## [What Does The Breakout Board Do?](https://forum.onefinitycnc.com/t/what-does-the-breakout-board-do/1766)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [November 25, 2020, 3:00pm UTC](https://forum.onefinitycnc.com/t/what-does-the-breakout-board-do/1766 "2020-11-25T15:00:12Z")

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The Onefinity Breakout Board can open a lot of possibilities for advanced users. It allows for expanded capabilities of the controller… Most users will NOT need the breakout board. Here’s the top 4 things the breakout…

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## [Simulation of toolpaths on Onefinity](https://forum.onefinitycnc.com/t/simulation-of-toolpaths-on-onefinity/3263)

<div class="topic-metadata">

**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [February 3, 2021, 5:00pm UTC](https://forum.onefinitycnc.com/t/simulation-of-toolpaths-on-onefinity/3263 "2021-02-03T17:00:58Z")

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If you’re looking to simulation your toolpaths, the best program would be https://camotics.org/ as this is what is directly installed on the Onefinity controller.

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## [OneFinityCNC - Github](https://forum.onefinitycnc.com/t/onefinitycnc-github/4117)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [March 6, 2021, 11:24pm UTC](https://forum.onefinitycnc.com/t/onefinitycnc-github/4117 "2021-03-06T23:24:52Z")

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## [Onefinity User Interface Walkthrough (Video)](https://forum.onefinitycnc.com/t/onefinity-user-interface-walkthrough-video/4669)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [March 29, 2021, 3:25am UTC](https://forum.onefinitycnc.com/t/onefinity-user-interface-walkthrough-video/4669 "2021-03-29T03:25:48Z")

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Thank you @cyberreefguru , great video!

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## [Support // Servicing A Faulty Power Switch (Buildbotics)](https://forum.onefinitycnc.com/t/support-servicing-a-faulty-power-switch-buildbotics/8586)

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**Author:** [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Replies:** 0\
**Last updated:** [October 29, 2021, 9:15pm UTC](https://forum.onefinitycnc.com/t/support-servicing-a-faulty-power-switch-buildbotics/8586 "2021-10-29T21:15:28Z")

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