Features: 1. Built-in three A4988 drivers, 3-axis control board can be directly connected to 35.42, a small optical drive sliding table and another four-wire tailgate stepper motor with a 1.5A tailgate current. 2. The laser controller board adopts three high-power output modes for Microsoft Office specialized switch, live time and relay, supports laser and spindle motor control . 3. Support 12V, 5V lasers with lifespan and without lifespan, the laser motherboard has an adjustable drive subdivision to adjust three discs simultaneously. 4. With limit switch, tool setting interface, the laser also supports external offline controller to realize offline control. Meanwhile, A4988 can be replaced with 8825 driver. 5. Nano 3 axis control board is a 3 axis motion control system based on Nano processor, which can be used for laser engraving machine, plotter , typewriter, CNC engraving machine, etc. Specifications: Item Type: Laser Motherboard Working Voltage: DC 12V Package List: 1 x Laser Motherboard 1 x USB Data Cable 4 x 4 Pin Control Cable 3 x 2 Pin Control Cable