#include <AccelStepper.h>

// Define the connections for the A4988 stepper motor driver
#define dirPin 2
#define stepPin 15
#define stepsPerRevolution 200 // Change this according to your stepper motor's specifications

AccelStepper stepper(1, stepPin, dirPin); // Initialize the stepper library

void setup() {
  Serial.begin(9600);
  stepper.setMaxSpeed(1000); // Adjust the maximum speed of your stepper motor
  stepper.setAcceleration(500); // Adjust the acceleration of your stepper motor
}

void loop() {
  for (int i = 0; i < 10; i++) { // Repeat the cycle 10 times
    rotateClockwise();
    delay(1000); // Delay after rotating clockwise
    rotateAntiClockwise();
    delay(1000); // Delay after rotating anticlockwise
  }
}

void rotateClockwise() {
  stepper.moveTo(stepsPerRevolution / 10); // Rotate 36 degrees (10% of a full revolution) clockwise
  stepper.run();
}

void rotateAntiClockwise() {
  stepper.moveTo(-stepsPerRevolution / 10); // Rotate 36 degrees (10% of a full revolution) anticlockwise
  stepper.run();
}