Walking Led

1int ledPins[] = {2, 3, 4, 5, 6, 7};
2
3void setup() {
4  for(int i = 0; i < 6; i++) {
5    pinMode(ledPins[i], OUTPUT); 
6  }
7}
8
9void loop() {
10  for(int i = 0; i < 6; i++) {
11    digitalWrite(ledPins[i], HIGH);
12    delay(150);
13    digitalWrite(ledPins[i], LOW);  
14  }
15}