int baseLed = 2;
int numLed = 5;
int delayTime = 100;
void setup() {
  for (int i = 0; i < numLed; i++) {
    pinMode(baseLed + i, OUTPUT);
    digitalWrite(baseLed + i, LOW);
  }
}
void cycle() {
  for (int i = 0; i < numLed; i++) {
    digitalWrite(baseLed + i, HIGH);
    delay(delayTime);
    digitalWrite(baseLed + i, LOW);

  }
}
void loop() {
  cycle();
}