This board is mainly an IO board allowing:
It is controlled by FluidNC / GRBL firmware
It's part of an open source open hardware project to retrofit an old Trotec laser engraver
Project is here : https://hackaday.io/project/193893-retrofitting-an-old-laser-engraver
PCB can be found on PCBWay shared projects : https://www.pcbway.com/project/shareproject/FluidNC_laser_controller_board_70101fd4.html
FluidNC_board_holder.STL | 105.7KB |