Arduino – TACT-LINK
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int led1=2; int led2=3; int led3=4; int led4=5; int swUp=6; int swDown=9; int counts=0; void setup() { pinMode(swUp, INPUT); pinMode(swDown, INPUT); pinMode(led1, OUTPUT); pinMode(led2, OUTPUT); pinMode(led3, OUTPUT); pinMode(led4, OUTPUT); } void loop() { if (digitalRead(swUp)==HIGH) { counts++; delay(300); } else if (digitalRead(swDown)==HIGH) { counts--; delay(300); } if (counts==0) { digitalWrite(led1, LOW); } else if (counts==1) { digitalWrite(led1, HIGH); digitalWrite(led2, LOW); } else if (counts==2) { digitalWrite(led2, HIGH); digitalWrite(led3, LOW); } else if (counts==3) { digitalWrite(led3, HIGH); digitalWrite(led4, LOW); } else if (counts==4) { digitalWrite(led4, HIGH); } else if (counts==5) { counts=4; } else if (counts<0) { counts=0; } } |