int diyaar=8;
void setup() {
 pinMode(diyaar, OUTPUT); // put your setup code here, to run once:

}

void loop() {
 digitalWrite(diyaar,HIGH);
 delay(2000);
 digitalWrite(diyaar,LOW);
 delay(500); // put your main code here, to run repeatedly:
digitalWrite(diyaar, HIGH);
delay(300);
digitalWrite(diyaar, LOW);
delay(500);
digitalWrite(diyaar, HIGH);
delay(300);
digitalWrite(diyaar, LOW);
delay(500);
}