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int leds[]={6,7,8,9,10,11,12,13}; unsigned long cnt=0; int num=0; int num2=0; int prev=0; void setup() { for (int i=0;i<8;i++) { pinMode(leds[i], OUTPUT); } } void loop() { if (millis() > cnt+500) { num++; cnt=millis(); if (num >= 14) { num=0; } num2=num; if (num > 7) { num2=14-num; } } digitalWrite(leds[prev], 0); digitalWrite(leds[num2], 1); prev=num2; } |