#include <Stepper.h>

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

const byte stepPin1 = 9;  // Step pin of motor 1
const byte dirPin1 = 8;   // Dir pin of motor 1

Stepper motor1(stepsPerRevolution, stepPin1, dirPin1);  // Step Pin, Dir Pin



// ==== Speed Control
int currentSpeed = 60;      // Variable to store current Speed
int prevSpeed = prevSpeed;  // Variable to store previous speed
const int minSpeed = 40;    // Minimum speed to run motor
const int maxSpeed = 400;   // Maximum adjustable speed
const byte speedPot = A0;   // Speed Potentiometer Pin

int stepSize = 2;  // step size motor needs to rotate

// ======= Loop Time =========
unsigned long loopTime = 1000UL * 1 * 3;    // Time format is 1000 microsecond * 60 seconds * 3 minute
unsigned long cTime = millis() - loopTime;  // Variable to loop again on next loop time

void setup() {
  //  Serial.begin(9600);
  // initialize the serial port:
  // Settting The Trigger Pins as input
  pinMode(speedPot, INPUT);  // Set pot pin as input

  // Initially set the speed of motor as current speed
  motor1.setSpeed(currentSpeed);
}

void loop() {
  currentSpeed = map(analogRead(speedPot), 0, 1023, minSpeed, maxSpeed);
  if (currentSpeed != prevSpeed) {  // Check if current speed adjusted by pot is different than prev speed than change it
    prevSpeed = currentSpeed;       // Store current speed
    motor1.setSpeed(currentSpeed);
  }
  motor1.step(2);  // Move the motor for steps defined above
}