#define DIR_PIN 2
#define STEP_PIN 3

void setup() {
  pinMode(STEP_PIN, OUTPUT);
  pinMode(DIR_PIN, OUTPUT);
  digitalWrite(STEP_PIN, LOW);

  Serial.begin(115200);
}

void loop() {
  if (Serial.available() > 0) {
    String command = Serial.readStringUntil('\n');
    command.trim(); // Remove any extra spaces or newline characters

    if (command.equalsIgnoreCase("right")) {
      rotateStepper(true); // Rotate clockwise
    } else if (command.equalsIgnoreCase("left")) {
      rotateStepper(false); // Rotate counterclockwise
    } else {
      Serial.println("Invalid command. Enter 'right' or 'left'.");
    }
  }
  
}

void rotateStepper(bool clockwise) {
  if (clockwise) {
    digitalWrite(DIR_PIN, HIGH); // Set direction to clockwise
    Serial.println("Rotating clockwise...");
  } else {
    digitalWrite(DIR_PIN, LOW); // Set direction to counterclockwise
    Serial.println("Rotating counterclockwise...");
  }

  for (int i = 0; i < 200; i++) {
    digitalWrite(STEP_PIN, HIGH);
    delayMicroseconds(500); // Adjust speed by changing the delay
    digitalWrite(STEP_PIN, LOW);
    delayMicroseconds(500); // Adjust speed by changing the delay
  }

  delay(1000); // Wait one second before the next command
}