Main Board The Open-Source schematics and PCB layout can be found here on Github. Randy Savell's 6040 Buildbotics CNC with Huanyang VFD Spindle The 6040 CNC Router You can build a CNC but can you explain it? API Documentation Connecting a Huanyang VFD The Taig CNC Mill Powered by Buildbotics Deep dive: Hacking the 8-bit AVR CNC Macro Buttons Connecting your CNC to WiFi How to Create a CNC Simulator Rock-solid, Open-Source CNC Controller How to use a VFD spindle driver Cutting on a Rotary Axis How to use a Solid State Relay Doug's DIY Buildbotics CNC Router Antones Brabants' Custom Buildbotics CNC Router