Rotating Platform!

1int in1 = 0;
2int in2 = 1;
3int in3 = 2;
4int in4 = 3;
5
6int  val = 1;
7
8#define pot A0
9
10void setup() {
11  pinMode(in1,OUTPUT);
12  pinMode(in2,OUTPUT);
13  pinMode(in3,OUTPUT);
14  pinMode(in4,OUTPUT);
15  
16  pinMode(pot, INPUT);
17}
18
19void loop() {
20  val = analogRead(pot) / 200;
21
22  digitalWrite(in1, HIGH);
23  digitalWrite(in2, HIGH);
24  delay(val);
25
26  digitalWrite(in1, LOW);
27  digitalWrite(in2, HIGH);
28  delay(val);
29
30  digitalWrite(in2, HIGH);
31  digitalWrite(in3, HIGH);
32  delay(val);
33  
34  digitalWrite(in2, LOW);
35  digitalWrite(in3, HIGH);
36  delay(val);
37  
38  digitalWrite(in3, HIGH);
39  digitalWrite(in4, HIGH);
40  delay(val);
41  
42  digitalWrite(in3, LOW);
43  digitalWrite(in4, HIGH);
44  delay(val);
45
46  digitalWrite(in1, HIGH);
47  digitalWrite(in4, HIGH);
48  delay(val);
49  
50  digitalWrite(in1, HIGH);
51  digitalWrite(in4, LOW);
52  delay(val);
53
54}
55
56
57