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int leds[]={6,7,8,9,10,11,12,13}; unsigned long cnt=0; int num=0; boolean states=true; void setup() { for (int i=0;i<8;i++) { pinMode(leds[i], OUTPUT); } } void loop() { if (millis() > cnt+200) { num++; cnt=millis(); if (num >= 8) { num=0; states=!states; } } digitalWrite(leds[num], states); } |