Check your machine parameters by typing $$ into the console. Verify that your step settings ( $100 , $101 , $102 ) match your physical lead screw specifications. 5. Testing and Troubleshooting
Step 5: Setting Up Limits and Homing (Optional but Recommended) 3040 cnc usb setup
If your 3040 USB controller uses an or ATmega328 , you can upgrade to GrblHal or FluidNC for better acceleration planning, WiFi, and higher step rates. However, many cheap 3040 USB boards are locked or use proprietary firmware. Always backup original settings ( $$ to list all). Check your machine parameters by typing $$ into the console
Download and install the or FTDI USB-to-Serial driver. and higher step rates. However
