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int leds[]= {6, 7, 8, 9, 10, 11, 12, 13}; int sws=4; int numbers=0; int LR=1; unsigned long cnt=0; void setup() { for (int i=0;i<8;i++) { pinMode(leds[i], OUTPUT); } pinMode(sws, INPUT); } void loop() { if (cnt==0 && digitalRead(sws)) { LR*=-1; cnt=millis(); } else if (cnt > 0 && millis() > cnt + 500) { cnt=0; } numbers+=LR; if (numbers>7) { numbers=0; } else if (numbers<0) { numbers=7; } for (int i=0;i<8;i++) { if (i==numbers) { digitalWrite(leds[i], HIGH); } else { digitalWrite(leds[i], LOW); } } delay(100); } |