#include <Stepper.h>

#define pot A0
#define button 7
#define rotationSwitch 6

const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution
const int rolePerMinute = 17;         // Adjustable range of 28BYJ-48 stepper is 0~17 rpm

int wait;
int randNum;
int randNum1;
int steps = 0;

Stepper myStepper(stepsPerRevolution, 8, 10, 9, 11);

void setup() {
  myStepper.setSpeed(rolePerMinute);
  pinMode(pot, INPUT);
  pinMode(button, INPUT_PULLUP);
  pinMode(rotationSwitch, INPUT_PULLUP);
  Serial.begin(9600);
  randomSeed(analogRead(A0));
}

void loop() {
  randNum = random(2047);
  myStepper.step(randNum);
  steps = steps + randNum;
  Serial.println(steps);
  delay(500);
  randNum = random(2047);
  myStepper.step(-randNum);
  steps = steps - randNum;
  Serial.println(steps);
  delay(500);
}