ATOMSTACK A5 Laser Engraver Review - 3D Print Beginner
The board powering the ATOMSTACK A5 is a proprietary LaserBox V1.0 board. It has two A4988 stepper drivers which can be replaced if needed. There’s also a 3rd stepper driver socket which is not populated. Besides that, the board has support for endstop connectors, even though the machine isn’t using any.