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int leds[]= {6, 7, 8, 9, 10, 11, 12, 13}; int swUp=5, swDown=4; int nowNumbers=0; boolean btnCheck=true; void setup() { for (int i=0;i<8;i++) { pinMode(leds[i], OUTPUT); } pinMode(swUp, INPUT); pinMode(swDown, INPUT); } void loop() { if (digitalRead(swUp) && btnCheck==true) { nowNumbers++; btnCheck=false; if (nowNumbers>7) { nowNumbers =0; } } else if (digitalRead(swDown) && btnCheck==true) { nowNumbers--; btnCheck=false; if (nowNumbers<0) { nowNumbers=7; } } else if (digitalRead(swUp)==LOW && digitalRead(swDown)==LOW && btnCheck==false) { btnCheck=true; } for (int i=0;i<8;i++) { if (i==nowNumbers) { digitalWrite(leds[i], HIGH); } else { digitalWrite(leds[i], LOW); } } } |