Driving 28BYJ-48 Stepper Motor Control with Joystick

1//this project is made by BEASTIDREES62 https://id.arduino.cc/?code=MTxqeHweG6vL2cur&state=amxEcTB2bnNiYjluTUxmRExWaWZnOXIzUk1BLWRqZTZYUGtJNGtxODB%2Bdg%3D%3D
2
3  
4// include Arduino stepper motor library
5#include <Stepper.h>
6 
7//  define number of steps per revolution
8#define STEPS 32
9 
10// define stepper  motor control pins
11#define IN1  11
12#define IN2  10
13#define IN3   9
14#define  IN4   8
15 
16// initialize stepper library
17Stepper stepper(STEPS, IN4, IN2,  IN3, IN1);
18 
19// joystick pot output is connected to Arduino A0
20#define  joystick  A0
21 
22void setup()
23{
24  
25}
26 
27void loop()
28{
29  //  read analog value from the potentiometer
30  int val = analogRead(joystick);
31  
32  // if the joystic is in the middle ===> stop the motor
33  if(  (val > 500)  && (val < 523) )
34  {
35    digitalWrite(IN1, LOW);
36    digitalWrite(IN2,  LOW);
37    digitalWrite(IN3, LOW);
38    digitalWrite(IN4, LOW);
39  }
40 
41  else
42  {
43    // move the motor in the first direction
44    while (val  >= 523)
45    {
46      // map the speed between 5 and 500 rpm
47      int speed_  = map(val, 523, 1023, 5, 500);
48      // set motor speed
49      stepper.setSpeed(speed_);
50  
51      // move the motor (1 step)
52      stepper.step(1);
53 
54      val  = analogRead(joystick);
55    }
56 
57    // move the motor in the other direction
58    while (val <= 500)
59    {
60      // map the speed between 5 and 500 rpm
61      int speed_ = map(val, 500, 0, 5, 500);
62      // set motor speed
63      stepper.setSpeed(speed_);
64  
65      // move the motor (1 step)
66      stepper.step(-1);
67 
68      val  = analogRead(joystick);
69    }
70 
71  }
72 
73}