#define led1 11
int led2 = 2;




void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);


}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(led1,HIGH);
  delay(500);
  digitalWrite(led2,LOW);
  delay(500);//milliseconds

  digitalWrite(led1, LOW);
  delay(500);
  digitalWrite(led2, HIGH);
  delay(500);//milliseconds

   


}