งาน 16

code

#include <Stepper.h>

#include "Keypad.h"

#define STEP_ANGLE_4STEP 32 //360/11.25 degree

#define STEP_OUT_WITH_GEAR 2048 //32*64

Stepper stepper(STEP_ANGLE_4STEP,8,10,9,11);

char keys[4][4]={

  {'7','8','9','A'},

  {'4','5','6','B'},

  {'1','2','3','C'},

  {'*','0','#','D'}};

byte rowPins[] = {7,6,5,4};

byte colPins[] = {3,2,1,0};

int speedmotor = 400;

int dirmotor = 1;

Keypad keypad = Keypad(makeKeymap(keys),rowPins,colPins,4,4);

void setup() 

{

}

void loop() 

{

  char key = keypad.getKey();

  if (key != NO_KEY)

  {

        if (key == '1')

            speedmotor = 400;

        if (key == '2')

            speedmotor = 700;

        if (key == '3')

            speedmotor = 1000;  

        if (key == 'A')

            dirmotor = 1;

        if (key == 'B')

            dirmotor = -1;     

        if (key == 'C')

            dirmotor = 0; 

  }

  stepper.setSpeed(speedmotor);

  stepper.step(dirmotor);

}

////////////////////////////////////////////////////////////////////////////////////