After launching Mach3, restart the software and select your USB motion card from the configuration menu. 2. Using Proprietary CNC USB Controller Software
Windows usually requires a specific driver to recognize the CNC’s USB motion card: 3040 cnc usb setup
: Connect the USB-B cable from the CNC control box to a USB 2.0 or 3.0 port on your computer. After launching Mach3, restart the software and select