int red = 12;
int green = 11;
int blue =10;
void setup()
{
pinMode(red,OUTPUT);
pinMode(green,OUTPUT);
pinMode(blue,OUTPUT);
}
void loop()
{
digitalWrite(red, LOW);
digitalWrite(green, LOW);
delay(100);
digitalWrite(red, HIGH);
digitalWrite(green, LOW);
delay(100);
digitalWrite(green, HIGH);
digitalWrite(blue, LOW);
delay(100);
digitalWrite(blue, HIGH);
}