Q -4-: What will be output of the below given lighting pattern ?
digitalWrite(6, HIGH);
delay(400);
digitalWrite(5, HIGH);
delay(400);
digitalWrite(4, HIGH);
delay(400);
digitalWrite(3, HIGH);
delay(400);
digitalWrite(2, HIGH);
delay(400);
digitalWrite(6, LOW);
delay(300);
digitalWrite(5, LOW);
delay(300);
digitalWrite(4, LOW);
delay(300);
digitalWrite(3, LOW);
delay(300);
digitalWrite(2, LOW);
delay(300);