Traffic Light Sequence

1int LED1 = 5;
2int LED2 = 6;
3int LED3 = 7;
4int LED4 = 8;
5int  LED5 = 9;
6int LED6 = 10;
7int speed1 = 7500;
8int speed2 = 1500;
9int speed3  = 1000;
10
11
12void setup(){
13  pinMode(LED1, OUTPUT);
14  pinMode(LED2,  OUTPUT);
15  pinMode(LED3, OUTPUT);
16  pinMode(LED4, OUTPUT);
17  pinMode(LED5,  OUTPUT);
18  pinMode(LED6, OUTPUT);
19}
20
21void loop(){
22  digitalWrite(LED1,  HIGH);
23  digitalWrite(LED2, LOW);
24  digitalWrite(LED3, LOW);
25  digitalWrite(LED4,  HIGH);
26  digitalWrite(LED5, LOW);
27  digitalWrite(LED6, LOW);
28  delay(speed1);
29
30
31  digitalWrite(LED1, HIGH);
32  digitalWrite(LED2, LOW);
33  digitalWrite(LED3,  LOW);
34  digitalWrite(LED4, LOW);
35  digitalWrite(LED5, HIGH);
36  digitalWrite(LED6,  LOW);
37  delay(speed2);
38
39
40  digitalWrite(LED1, HIGH);
41  digitalWrite(LED2,  LOW);
42  digitalWrite(LED3, LOW);
43  digitalWrite(LED4, LOW);
44  digitalWrite(LED5,  LOW);
45  digitalWrite(LED6, HIGH);
46  delay(speed3);
47
48
49  digitalWrite(LED1,  LOW);
50  digitalWrite(LED2, LOW);
51  digitalWrite(LED3, HIGH);
52  digitalWrite(LED4,  LOW);
53  digitalWrite(LED5, LOW);
54  digitalWrite(LED6, HIGH);
55  delay(speed1);
56
57
58  digitalWrite(LED1, LOW);
59  digitalWrite(LED2, HIGH);
60  digitalWrite(LED3,  LOW);
61  digitalWrite(LED4, LOW);
62  digitalWrite(LED5, LOW);
63  digitalWrite(LED6,  HIGH);
64  delay(speed2);
65
66
67  digitalWrite(LED1, HIGH);
68  digitalWrite(LED2,  LOW);
69  digitalWrite(LED3, LOW);
70  digitalWrite(LED4, LOW);
71  digitalWrite(LED5,  LOW);
72  digitalWrite(LED6, HIGH);
73  delay(speed3);
74}