// here's my blinky program. 
// turns on light 2, 3, 4, 5 in sequence.
// by mr. jamie

void setup() {
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
}

void loop() {

  int dtime = 250 ;
 
  digitalWrite(2, HIGH);
  delay(dtime);
  digitalWrite(2, LOW);

  digitalWrite(3, HIGH);
  delay(dtime);
  digitalWrite(3, LOW);

  digitalWrite(4, HIGH);
  delay(dtime);
  digitalWrite(4, LOW);

  digitalWrite(5, HIGH);
  delay(dtime);
  digitalWrite(5, LOW);
  
}