Description:3Axis Stepper Motor Driver Board Controller Laser board  For DIY Laser Engraver<br>Specification:Interface:USBSize:80mm*77mmPower Requirement: higher than12V 2A Support Stepper Motor:Motor within 2A 2-phase 4-wireInput Voltage:7.5V-12V (the voltage will affect the laser effect))Power Interface: DC5.5 - 2.1  (Inside is positive  electrodes and ouside is negative electrodes)<br>Feature:Expansion of functions: stop， pause， resume， fans， low light， external relayFit for DIY desktop laser engraver，dispensing machines printer，plotter，tool CNC.3-axis linkage， Y-axis dual interface， can drive a stepper motor within 2A 2-phase 4-wireMINI USB interfaces， 12V power supply， delivery lines! Send software! Technical support!Large MOS tube，onboard DC buck module， wire jump ADJ can adjust manually the laser voltage to control the laser power<br>Note:Jumper inserted in ADJ， Regulate  the voltage module can control the laser voltage5V laser module group should  wire into ADJ and regulate the output voltage of 5V or less to pick Laser ModuleThe motor can not  work hight  than 2A， when the motor work for a long time in 1A to 2A ， please pay attention to heat<br>Wiring instruction:<br>Package included:1X USB  3 Axis Stepper Motor Driver Board1X USB Cable2X 2P Dupont Lines4X 4P Dupont Lines