Feature: 1. Offline Laser Engraving: The engraver control board adopts GRBL1.1f firmware for stable performance and offline module for offline tool setting and engraving.2. Adjustable Power: The laser of the engraver control board supports PWM or TTL signal control, with adjustable power between 0-100 percent. Spindle supports PWM power 0-100 percent adjustable. Enhanced spindle drive can support 20000rpm. 3. Over Current Protection: GRBL engraver control board has over current protection and short circuit protection with 2A high current. Case protection while avoiding short circuit and fan active heat dissipation. 4. Offline Identification: The engraving machine control board uses integrated imported stepper motor drive, integrated heat dissipation aluminum alloy, add offline identification, can be plugged into offline module and computer at the same time. 5. Plug in USB Interface: The spindle drive of the engraving machine control board adds optocoupler isolation to make the control board generate less heat, spindle speed adjustment is more linear and safer, and the USB interface is plug in. Specification: Item Type: 3 Axes CNC Engraving Machine Control Board Package List: 1 x 3 Axes GRBL Control Board1 x USB Data Cable 1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. 2. duties,taxes,and charges are not included in the item price or shipping fee. 3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the duties will be submitted to ebay for solution. 1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. 2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area3. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. ![]() |