Buildbotics Forum

One goal of this forum is to allow users to easily find the specific information they are seeking. This can be confusing when there are questions and answers on multiple subjects in a single posting.

Please create separate topics for different subjects.

I have my Z max limit switch setup and I want to home that to be the new zero. When I do this I need to set a negative number for lower soft limit, but I always receive an error when trying to do so. I am unable to duplicate this. Does the error occur when you try to set the value, or at some time ...

This is called a dwell command. Use:

G4 P-

For instance G4 P.5 will dwell for 1/2 second.

Hi Mick, The 3D display only works across network connections. It does not display on a monitor that is plugged into the back of the controller. How are you connecting? We have also recently learned that apple mobile devices will not display the 3D view. For the load indicator issue, please go to th...

Buildbotics CNC Controller version 0.4.12 is released. Here's what's new Improved path planning, with better performance around tight curves. Adjustable trade off between speed and accuracy at corners. Improved error messages Updated "Cheat Sheet" page to show all supported GCodes. Improved 3D cut ...

Thank you for the help. I went in and modified config.txt as you suggested and after quite a bit of trial and error, I was able to come up with a pretty good combination for a Chinese touch screen monitor that I bought. As you say, this still needs work, but your suggestion makes a good work around ...

We do not have implementation of full support for rotary motion scheduled at this time. The BB Controller accepts GCode files. Our genre of GCode is patterned after LinuxCNC. I have post processors for some of the most popular CAD programs. If you use a CAD program that we do not have a post process...

We now have post processors for QCAD/QCAM. They were written by ChuckT and we forked his repository.

You can download them from github at https://github.com/buildbotics/bbctrl-p ... aster/qcad .

Thanks Chuck for the excellent work!

We renamed our repository for post processors on github.

You can now find them at https://github.com/buildbotics/bbctrl-posts .

The Buildbotics Controller will drive the KL23H286-20-8B motors directly. The motor drivers are built into the controller and the controller comes with the motor cables. You would simply splice the motor cables to the wires from the motors. I recommend wiring your motors as bipolar parallel as descr...