Blinking LED

1/*
2  Blinking LEDs - test program to run 3 LEDs in a pattern of blinks
3*/
4
5int  yellowled = 12;
6int greenled = 10;
7int blueled = 7;
8
9// the setup routine  runs once when you press reset:
10void setup() {                
11  // initialize  the digital pin as an output.
12  pinMode(yellowled, OUTPUT);   
13  pinMode(greenled,  OUTPUT);  
14  pinMode(blueled, OUTPUT);    
15}
16
17// the loop routine runs  over and over again forever:
18void loop() {
19  digitalWrite(yellowled, HIGH);   // turn the LED on (HIGH is the voltage level)
20  delay(80);                      //  wait for 1/2 a second
21  digitalWrite(yellowled, LOW);    // turn the LED off  by making the voltage LOW
22  digitalWrite(greenled, HIGH);    // turn the LED  on (HIGH is the voltage level)
23  delay(80);                      // wait for  1/2 a second
24  digitalWrite(greenled, LOW);     // turn the LED off by making  the voltage LOW
25  digitalWrite(blueled, HIGH);     // turn the LED on (HIGH is  the voltage level)
26  delay(80);                      // wait for 1/2 a second
27  digitalWrite(blueled, LOW);      // turn the LED off by making the voltage LOW
28  delay(500);                     // wait for a second
29}