int Zeit = 130;
void setup() {
for (int i = 2; i < 7; i=i+1) {
pinMode(i, OUTPUT);
}
}
void loop() {
for (int i = 2; i < 7; i=i+1) {
digitalWrite(i, HIGH);
delay(Zeit);
digitalWrite(i, LOW);
delay(Zeit);
}
for (int i = 5; i >2; i=i-1) {
digitalWrite(i, HIGH);
delay(Zeit);
digitalWrite(i, LOW);
delay(Zeit);
}
}