constexpr byte driverPUL = 7;    // PUL- pin
constexpr byte driverDIR = 6;    // DIR- pin

const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution for your motor

void setup() {
  pinMode(driverPUL, OUTPUT);
  pinMode(driverDIR, OUTPUT);
  pinMode(A0, INPUT);
  Serial.begin(9600);
}

void loop() {
  // Read the potentiometer value
  int potentiometerValue = analogRead(A0);
  // Map the potentiometer value to a speed range
  int delayTime = map(potentiometerValue, 0, 1023, 3000, 100);  // Adjust as needed for speed control

  // Move the motor one full rotation forward
  digitalWrite(driverDIR, HIGH);
  for (int i = 0; i < stepsPerRevolution; i++) {
    digitalWrite(driverPUL, HIGH);
    delayMicroseconds(delayTime);
    digitalWrite(driverPUL, LOW);
    delayMicroseconds(delayTime);
  }
  
  // Wait for one second
  delay(1000);
  
  // Move the motor one full rotation backward
  digitalWrite(driverDIR, LOW);
  for (int i = 0; i < stepsPerRevolution; i++) {
    digitalWrite(driverPUL, HIGH);
    delayMicroseconds(delayTime);
    digitalWrite(driverPUL, LOW);
    delayMicroseconds(delayTime);
  }
  
  // Wait for one second before repeating the loop
  delay(1000);
}