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- int led = 13;
- int presenza =8;
- int presenzastate =0;
- void setup (){
- pinMode (led,OUTPUT);
- pinMode (presenza,INPUT);
- }
- void loop (){
- presenzastate=digitalRead(presenza);
- bool fallingEdge = false;
- if(presenzastate == LOW && !fallingEdge){
- fallingEdge = true;
- digitalWrite (led,HIGH);
- delay(3000);
- digitalWrite(led,LOW);
- delay(3000);
- }
- if(presenzastate) fallingEdge = false;
- }
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