CNC GRBL 4 Four Axis Offline Controller Board CNC Controller for 3018 Pro Engraving Machine Carving Milling Machine
- Our offline control baord only suitable our control baord,in order to you can choose suit you product,please confirm with customer service before placing an order,wishing you a happy shopping!
- The duty cycle of PWM pulse frequency is adjustable, short press the main page Z+, Z- Laser-power/spindle speed
- Short press the homepage EXIT, the maximum spindle speed is 1000/10000 switch (the speed when PWM is set to duty cycle)