Professional-grade paid software for laser cutting.
Connect your DC power supply to the screw terminals. Double-check the polarity (+ and -) marked on the board. Most setups use 12V for lasers and 24V for CNC motors to get better torque. 2. Stepper Drivers
Plug your 4-pin NEMA 17 stepper motors into the corresponding ports. If a motor spins in the wrong direction, you can flip the plug or change the direction in the GRBL settings ($3). 4. Laser or Spindle
$22=1 : Enable Homing (if you have limit switches installed). ⚠️ Troubleshooting Tips