// MCU BASIC: https://www.basic4mcu.com
// DateTime : 2018-06-11 오후 12:10:16
// by Ok-Hyun Park
//
#include <Stepper.h>
const int steps_time=2048;
Stepper steppermotor(steps_time,11,9,10,8);
//
void setup(){
  steppermotor.setSpeed(17);
}
//
void loop(){
  steppermotor.step( steps_time);
  delay(3000);
  steppermotor.step(-steps_time);
  delay(3000);
}
 
steppermotor.stop(); 
없는 함수라서 오류가 발생한겁니다.
 
스텝모터는 신호를 주지 않으면 멈추어 있습니다.
stop() 함수가 필요 없는 것이죠 
 
Functions
Stepper(steps, pin1, pin2)
Stepper(steps, pin1, pin2, pin3, pin4)
setSpeed(rpm)
step(steps)
 
Circuits
Unipolar Steppers
Bipolar Steppers
Examples
 
Motor Knob: Control a highly accurate stepper motor using a potentiometer.
Stepper One Revolution: Turn the shaft one revolution clockwise and one counterclockwise.
Stepper One Step At A Time: Turn the shaft step by step to check the proper wiring of the motor.
Stepper Speed Control: Control the stepping speed with a potentiometer.