步进电机变速控制测试程序

#include 

const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution
// for your motor

String comdata = "";
int angle = 0;
int motor_speed = 0;

// initialize the stepper library on pins 8 through 11:
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);

int stepCount = 0;  // number of steps the motor has taken

void setup() {
  // nothing to do inside the setup
  Serial.begin(9600);
  //myStepper.setSpeed(50);
}

void loop() {
  while (Serial.available() > 0)
  {
    comdata += char(Serial.read());
    delay(2);
  }
  if (comdata.length() > 0)
  {
    Serial.println("clockwise111");
    motor_speed = comdata.toInt();
    comdata = "";
  }
  
  // set the motor speed:
  if (motor_speed > 0) {
    myStepper.setSpeed(motor_speed);
    // step 1/100 of a revolution:
    myStepper.step(stepsPerRevolution / 100);
  }else{
    myStepper.step(0);
  }
  
}