void setup() {
  // put your setup code here, to run once:
  pinMode(3, OUTPUT);

}

void loop() {
 // put your main code here, to run repeatedly:
  digitalWrite(3, HIGH);
  delay(1500);
  digitalWrite(3,LOW);
  delay(1500);
  digitalWrite(3,HIGH);
  delay(350);
  digitalWrite(3,LOW);
  delay(350);
  digitalWrite(3,HIGH);
  delay(350);
  digitalWrite(3,LOW);
  delay(350);
  digitalWrite(3,HIGH);
  delay(350);
  digitalWrite(3,LOW);
  delay(350);
}