// Define pin connections
const int STEP_PIN = 3;
const int DIR_PIN = 4;

void setup() {
  pinMode(DIR_PIN, OUTPUT);    // Set DIR_PIN as output
  pinMode(STEP_PIN, OUTPUT);   // Set STEP_PIN as output
}

void loop() {

  // //Startup
  // digitalWrite(DIR_PIN, HIGH);  // Set the direction
  // digitalWrite(STEP_PIN, HIGH);    // Set STEP_PIN high
  // digitalWrite(STEP_PIN, LOW);     // Set STEP_PIN low

  // //Change the steps
  // digitalWrite(DIR_PIN, HIGH);  // Set the direction
  // for (int i = 0; i < 300; i++) {  // Loop to generate the steps
  //   digitalWrite(STEP_PIN, HIGH);    // Set STEP_PIN high
  //   digitalWrite(STEP_PIN, LOW);     // Set STEP_PIN low
  // }

  //Change the pulse
  digitalWrite(DIR_PIN, HIGH);  // Set the direction
  for (int i = 0; i < 300; i++) {  // Loop to generate the steps
    digitalWrite(STEP_PIN, HIGH);    // Set STEP_PIN high
    delayMicroseconds(3000); // Wait for the pulse delay time
    digitalWrite(STEP_PIN, LOW);     // Set STEP_PIN low
    delayMicroseconds(3000); // Wait for the pulse delay time
  }
}