#include <AccelStepper.h>


#define STEP_PIN 33
#define DIR_PIN  32
#define ENABLE_PIN 25
#define potPin 12



AccelStepper stepper(AccelStepper::DRIVER, STEP_PIN, DIR_PIN);


void setup() {
  
  pinMode(STEP_PIN, OUTPUT);
  pinMode(DIR_PIN, OUTPUT);
  pinMode(ENABLE_PIN, OUTPUT);
  

  digitalWrite(ENABLE_PIN, LOW); 

  
  stepper.setMaxSpeed(200);
}

void loop() {
  
  int potValue = analogRead(potPin);
  
  
  float speed = map(potValue, 0, 4095, (stepper.maxSpeed()-(stepper.maxSpeed()*2)), stepper.maxSpeed());
  
  
  stepper.setSpeed(speed);
  
  
  stepper.runSpeed();
}