Lab1

int ledpins[] = {2, 3, 4, 5, 6};

void setup() {
  for (int i = 0; i < 5; i++) {
    pinMode(ledpins[i], OUTPUT);
  }
}

void loop() {
  for (int i = 0; i < 5; i++) {
    digitalWrite(ledpins[i], HIGH);
    delay(1000);
    digitalWrite(ledpins[i], LOW);
    delay(1000);
  }

  for (int i = 3; i >= 1; i--) {
    digitalWrite(ledpins[i], HIGH);
    delay(1000);
    digitalWrite(ledpins[i], LOW);
    delay(1000);
  }
}

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