New CNC Shield v3 Engraving Machine / 3D Printer / Plus 4pcs A4988 Driver Expansion Board

Descriptions: A,Product introductionThe expansion board can be used as a carving machine,3DPrinter driver expansion board, a total ofFourThe slot of the drive module of the stepper motor.Note that Moto Sako does not containA4988Stepper motor drive module, need to be in the shop to buyCan be drivenFourThe road does not enter the motor, and each step motor is only requiredTwoindividualIOMouth, that is to say,SixindividualIOMouth can be a very good managementThreeStepper motor, the use of very convenient, farewell to the traditional stepper motor cumbersome.Two, UNOAnd moduleIOIntroduction to the correspondence of the mouth Stepper motor basic control needs of the pin, the other pin is in the engraving machine, or3DThe printer when it is used, here we do not make detailed,IOCorresponding as above. UNO----------------------Expansion board8 ------------------------ (ENStepper motor driver to enable the end, the low level effective)7 and Z.DIR (ZAxis direction control)6 and Y.DIR (YAxis direction control)5 and X.DIR (XAxis direction control)4 conducting Z.STEP (ZAxis step control)3 conducting Y.STEP (YAxis step control)2 conducting X.STEP (XAxis step control)/ /The following is a simple stepper motor control procedures,#define EN 8 / /Stepping motor to the end, the low level effective#define X_DIR 5 //XaxisStepper motor direction control#define Y_DIR 6 //yaxisStepper motor direction control#define Z_DIR 7 //zaxisStepper motor direction control#define X_STP 2 //xaxisStep control#define Y_STP 3 //yaxisStep control#define Z_STP 4 //zaxisStep control*/ /Function:StepFunction: control the direction of the stepper motor, step by step./ /Parameters:DirDirection controlDirPin,Corresponding to the stepper motorDIRPin,StepperPinCorresponding to the stepper motorStepPin,StepsNumber of steps/ /No return value* /Void step (Boolean dir byte dirPin,, byte stepperPin int steps,){(digitalWrite dirPin, dir);Delay (50);For (int i = 0; I < steps