int pir = 7;

int red = 9;
int green = 10;
int blue = 11;

void setup()
{
  pinMode(pir, INPUT);

  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);

  Serial.begin(9600);
}

void loop()
{
  int motion = digitalRead(pir);

  if(motion == HIGH)
  {
    Serial.println("Motion Detected");

    digitalWrite(red, HIGH);
    digitalWrite(green, LOW);
    digitalWrite(blue, LOW);
  }
  else
  {
    Serial.println("No Motion");

    digitalWrite(red, LOW);
    digitalWrite(green, HIGH);
    digitalWrite(blue, LOW);
  }

  delay(500);
}