Features:

*Offline Engraving: The engraver control board adopts GRBL1.1f firmware for stable performance and offline module for offline tool setting and engraving.

*Adjustable Power: The 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.

*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.

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.

*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.

Specifications:

GRBL 1.1 USB Port CNC Engraving Machine Control Board, 3  Control,Laser Engraving Machine Board with Offline Controller

Package including:

1PC Control board (including USB cable) 

1PC Offline board (including USB cable) 

1Set Control board + Offline board (including USB cable)

Note:

1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

2. Please allow slight manual measurement deviation for the data.

Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message.

We only ship to confirmed ebay Order addresses. Please comfirm that your Order address is in line with your shipping address.

Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. 

It takes about 7-15 working days to Australia; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.

We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.