Simple Traffic Lights

1int DELAY = 2000;
2
3void setup() {
4
5//Sets Digital Pins
6pinMode  (8, OUTPUT); //RED
7pinMode (9, OUTPUT); //YELLOW
8pinMode (10, OUTPUT); //GREEN
9
10//Turns  OFF all LEDs
11digitalWrite (8, LOW);
12digitalWrite (9, LOW);
13digitalWrite  (10, LOW);
14}
15
16void loop() {
17
18//RED LED
19digitalWrite (8, HIGH);
20delay(DELAY);
21digitalWrite  (8, LOW);
22
23//YELLOW LED
24digitalWrite (9, HIGH);
25delay(DELAY);
26digitalWrite  (9, LOW);
27
28//GREEN LED
29digitalWrite (10, HIGH);
30delay(DELAY);
31digitalWrite  (10, LOW);
32
33
34 
35}

1int DELAY = 2000;
2
3void setup() {
4
5//Sets Digital Pins
6pinMode
7  (8, OUTPUT); //RED
8pinMode (9, OUTPUT); //YELLOW
9pinMode (10, OUTPUT); //GREEN
10
11//Turns
12  OFF all LEDs
13digitalWrite (8, LOW);
14digitalWrite (9, LOW);
15digitalWrite
16  (10, LOW);
17}
18
19void loop() {
20
21//RED LED
22digitalWrite (8, HIGH);
23delay(DELAY);
24digitalWrite
25  (8, LOW);
26
27//YELLOW LED
28digitalWrite (9, HIGH);
29delay(DELAY);
30digitalWrite
31  (9, LOW);
32
33//GREEN LED
34digitalWrite (10, HIGH);
35delay(DELAY);
36digitalWrite
37  (10, LOW);
38
39
40 
41}