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ledctrl

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Jul 30th, 2010
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  1. int led =11;
  2. int intensidad =255;
  3.  
  4. void setup()
  5. {
  6.   Serial.begin (9600);
  7.   pinMode (led, OUTPUT);
  8. }
  9.  
  10. void loop()
  11. {
  12.  
  13.   int valor;
  14.  
  15.  
  16.   if (Serial.available() > 0)
  17.   {
  18.     valor =Serial.read();
  19.    
  20.     switch (valor)
  21.     {
  22.       case 1: onled();   break;
  23.       case 2: offled();  break;
  24.       case 3: addled();  break;
  25.       case 4: quitled(); break;
  26.     }
  27.   }
  28. }
  29.  
  30. void onled()
  31. {
  32.   analogWrite (led, intensidad);
  33. }
  34.  
  35. void offled()
  36. {
  37.   analogWrite (led, 0);
  38. }
  39.  
  40. void addled()
  41. {
  42.   if (intensidad<255) intensidad=intensidad+25;
  43.   onled();
  44. }
  45.  
  46. void quitled()
  47. {
  48.   if (intensidad>1) intensidad=intensidad-25;
  49.   onled();
  50. }
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