Check the listing for details. 32bits GRBL Controller 3 Axis Control Board Stepper Motor Drive for CNC Engraver. Condition: New. Listed at 19.69 USD. Upgrade to 32-bit control boardRuns faster, runs smoother, and remains stable even when the machine is running fast Friendly reminder: our control board is updated and upgraded quickly, the picture is for reference, please refer to the specific product you have received, please rest assured that the picture is the same as the whole, but the module location will be slightly different. --Double y-axis, all-round use --Integrated 3pcs A4988 drivers, directly connect to four wire stepper motor. --Support Laser or Spindle. --Support 12V, 5V with TTL and without TTL laser. --Adjustable driver subdivision.（only 4.0 version） --Support the x/y/z limit switch, probe interface. --Support external Offline Controller(Optional). --A4988 can be replaced with 8825 driver. --Support X,Y,Z limit switch Nano 3Axis Control Board is a Arduino Nano based 3 Axises Motion control system, can be used for Laser Engraving machine, Drawer Machine, CNC Engraving Machine etc. New chip upgrade, using 32-bit chip 1*Controller 1*USB cable 1*775 motor line PS: Please leave the email box I will send software to you . 3axis 4.0V 1. support XYZ axis, double Yaxis 2. install GRBL 1.1 firmware 3. Support XYZ limit 4. Support 2pin/3pin/4pin laser(all the tpye laser in Martket) 5. Can work of Offline controller 6. Support Bluetooth 7.Steppingsubdivision 8. Can use Probe 9. Support connect servo(writting) 10. Support voltage: 0-48v (300W/400W/500wspindle) Please Note： The positive and negative poles, make the right connection. Its not sellers responsibility if the fault was from this. 4.0 controllerboard