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- #define B 3
- #define LED1 4
- #define LED2 5
- #define LED3 6
- int s;
- void setup(){
- pinMode(B, INPUT);
- pinMode(LED1, OUTPUT);
- pinMode(LED2, OUTPUT);
- pinMode(LED3, OUTPUT);
- s= 0;
- digitalWrite(LED1, s & 1);
- digitalWrite(LED2, s & 2);
- digitalWrite(LED3, s & 4);
- }
- void loop(){
- delay(500);
- int premuto= digitalRead();
- if (premuto){
- s++;
- if (s>7) s= 0;
- }
- digitalWrite(LED1, s & 1);
- digitalWrite(LED2, s & 2);
- digitalWrite(LED3, s & 4);
- }
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