void setup() {
  // put your setup code here, to run once:
  pinMode(10, OUTPUT); //blue
  pinMode(11,OUTPUT); //green
  pinMode(12,OUTPUT); // red

}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(10, HIGH); //blue
  digitalWrite(10, LOW); //blue
  delay(1000);
  digitalWrite(11, HIGH); //green
  digitalWrite(11, LOW); //green
  delay(1000);
  digitalWrite(12, HIGH); //red
  digitalWrite(12, LOW); //red
  delay(1000);

}