CNC Shield 3D Printer Engraver Expansion Board for Arduino

I am an Chinese seller providing customers with high quality and low cost products br The types of products we sell include Home & Kitchen Health & Beauty Fashion Clothing Electronics Watches & Jewelry and so on br We keep up with the most popular fashion trends If you like our products please follow us and become our followers and fans br Sincerely at your service Please feel free to contact us if you have any questions br Specifications The expansion board can be used as engraving machine 3D printer and other drive expansion board a total of 4 stepper motor drive module slot (Note this board does not contain for A4988 stepper motor drive module) can drive 4 road into the motor and each step stepper motor only need two IO port that is 6 IO port can be a very good management of three stepper motor very easy to use say goodbye to operation cumbersome in traditional stepper motor For UNO and Module IO Port Correspondence Description Pin which stepper motor basic control needs the other pin is in the engraving machine or used in 3D printer here we do not make detailed IO corresponds to the above figure 8 EN (Stepper motor drive enable side active low ) 7 Z DIR (Z direction control ) 6 Y DIR (Direction control of the Y ) 5 X DIR (Direction control of the X ) 4 Z STEP (Z stepping control ) 3 Y STEP (Y step control ) 2 X STEP (X step control ) The following is a simple stepper motor control program #define EN 8 / Stepping motor enable side active low #define X DIR 5 / X stepper motor direction control #define Y DIR 6 / y stepper motor direction control #define Z DIR 7 / z stepper motor direction control #define X STP 2 / x stepping control #define Y STP 3 / y step control #define Z STP 4 / z step control / * / function step function control the direction of the stepper motor the number of steps / Parameters dir direction control dirPin corresponds to stepper motor DIR pin stepperPin corresponds to stepper motor step pin steps step number 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 DigitalWrite (stepperPin HIGH) DelayMicroseconds (800) DigitalWrite (stepperPin LOW) DelayMicroseconds (800) Void setup () / Set the IO pin used by the stepper motor to output PinMode (X IR OUTPUT) pinMode (X STP OUTPUT) PinMode (Y IRP OUTPUT) pinMode (Y STP OUTPUT) PinMode (Z D OUTPUT) pinMode (Z STP OUTPUT) PinMode (EN OUTPUT) DigitalWrite (EN LOW) Void loop () Step (false X DIR X STP 200) / X motor reverses 1 turn 200 steps in one lap Step (false Y DIR Y STP 200) / y motor reverses 1 turn 200 steps in one lap Step (false Z DIR Z STP 200) / z motor reverses 1 turn 200 steps in one lap Delay (1000) Step (true X DIR X STP 200) / The X motor is turning 1 turn 200 steps in one lap Step (true Y DIR Y STP 200) / y motor is running 1 turn 200 steps for a circle Step (true Z DIR Z STP 200) / z motor is running 1 turn 200 steps for a circle Delay (1000) Experimental phenomenon stepping motor reverse lap pause 1 second and then pass a circle so the cycle Note stepper motor wiring is 2A 2B for a group (red green) 1A 1B for a group (blue yellow) want to change direction change the location of a group can be such as 2A and 2B exchange Notes Due to the light and screen setting difference the items color may be slightly different from the pictures Package Includes 1 x Engraver Expansion Board