Configure the Spindle motor relay or PWM output. Step 4.2: Port Address
USB setup on a 3040 CNC is straightforward with correct drivers and software. For Grbl-based boards, Candle provides the easiest path. For Mach3, verify plugin compatibility. After motion and spindle tests, the machine is ready for engraving or light milling. 3040 cnc usb setup
Most Chinese GRBL boards use the CH340 USB-to-Serial chip. Download and install the CH340 driver for Windows or Mac. Configure the Spindle motor relay or PWM output
Without limits, a homing cycle will crash the machine into the end stops. 3040 cnc usb setup
