GRBL 3- Control Board GRBL Engraving Machine Control Panel S8S8
High integration, easy to assemble, for DIY enthusiast and 3D printer manufactory. Supporting PWM stepless speed regulation and gray graving. Stepping Motor: 42 step motor (1.3A/0.3Nm/24V). Spindle Motor: 775ER(24V/10000rmp/support PWM0%-100%).