This is an offline CNC GRBL Controller for 3018 Pro, 3018, 2418, and 1810 that will eliminate the need of a computer.
If your CNC router is equiped with a motherboard that features GRBL control through an 8-pin IDC connector, look no further.
This offline controller will help you use your machine without a PC.
It has a MicroSD memory slot so you can keep your engraving files on it, you can also access the memory card from your computer using the USB port.