Randy Savell's 6040 Buildbotics CNC with Huanyang VFD Spindle Integrating the PwnCNC Automatic Tool Changer with the Buildbotics Controller Creating a CNC Jogging App for an Android Phone Rock-solid, Open-Source CNC Controller You can build a CNC but can you explain it? Connecting a Huanyang VFD CNC Offsets (absolute position vs cutting position) Recommended Stepper Motors Using an SN04-N Proximity Sensor as a Limit-Switch CNC Macro Buttons Introduction to the Buildbotics CNC Controller API The Taig CNC Mill Powered by Buildbotics API Documentation How to use a Solid State Relay The OX CNC Router Powered by the Buildbotics Controller Homing your CNC Machine James B.'s Buildbotics CNC Router