// Define the step sequences
const int steps[8][4] = {
  {1, 0, 0, 1}, // Step 1
  {1, 0, 0, 0}, // Step 2
  {1, 1, 0, 0}, // Step 3
  {0, 1, 0, 0}, // Step 4
  {0, 1, 1, 0}, // Step 5
  {0, 0, 1, 0}, // Step 6
  {0, 0, 1, 1}, // Step 7
  {0, 0, 0, 1}  // Step 8
};

// Define the output pins for the LEDs
const int outputPins[4] = {6, 7, 8, 9};

// Function to set the output pins according to the step sequence
void setStep(int step) {
  for (int i = 0; i < 4; i++) {
    digitalWrite(outputPins[i], steps[step][i]);
  }
}

// Function to rotate the motor
void rotateMotor(int stepsPerRevolution, int numRevolutions, bool clockwise) {
  int stepDelay = 500; // Delay between steps in microseconds

  for (int rev = 0; rev < numRevolutions; rev++) {
    for (int step = 0; step < stepsPerRevolution; step++) {
      if (clockwise) {
        setStep(step % 8);
      } else {
        setStep(7 - (step % 8));
      }
      delayMicroseconds(stepDelay);
    }
  }
}

void setup() {
  // Initialize the output pins
  for (int i = 0; i < 4; i++) {
    pinMode(outputPins[i], OUTPUT);
  }

  // Rotate the motor 10 turns clockwise
  rotateMotor(8, 10, true);

  // Rotate the motor 10 turns counterclockwise
  rotateMotor(8, 10, false);
}

void loop() {
  // Nothing to do in the loop
}