Kyle's Arduino Project

int green = 2; // green led is on pin 2
int yellow = 3; // yellow led is on pin 3
int red = 4; // red led is on pin 4
int button = 5; // button is on pin 5
int buttonState = 0;

void setup(){

 pinMode(green, OUTPUT); // all leds are output, expect the button
 pinMode(yellow, OUTPUT);
 pinMode(red, OUTPUT);
 pinMode(button, INPUT);
}

void loop(){

digitalWrite(green, HIGH); // we start off with the green led on

buttonState = digitalRead(button); // buttonState will equal whatever button is

if (buttonState == HIGH){

 digitalWrite(green, LOW);
 digitalWrite(yellow, HIGH);
 delay(2000);
 digitalWrite(yellow, LOW);
 digitalWrite(red, HIGH);
 delay(1000);
 digitalWrite(red, LOW);
 digitalWrite(green, HIGH);
}

digitalWrite(green, HIGH);



}