Delay 2

I due led lampeggiano alla stessa frequenza con tempi di ON ed OFF uguali.
Vedi anche i post  " delay 1" e " Blink senza delay".

      /* La pausa inserita nel ciclo di BUTTON1
         non influisce sull'azione di BUTTON2 
             */
      
      const int BUTTON1 = 2;     
      const int LED1 =  12;     
      int buttonState1 = 0;       
      
      const int BUTTON2 = 3;     
      const int LED2 =  13;     
      int buttonState2 = 0;  
      
      long pMillis = 0;  
      long interval = 10000;  
      void setup()
      
           { pinMode(BUTTON1, INPUT);
             pinMode(BUTTON2, INPUT); 
             pinMode(LED1,   OUTPUT);      
             pinMode(LED2,   OUTPUT); }
      
      void loop(){
      
      buttonState1 = digitalRead(BUTTON1);
            if ( buttonState1 == HIGH)
               { unsigned long cMillis = millis();
                 if ( cMillis - pMillis > interval)
                    { pMillis = cMillis;   
                      digitalWrite( LED1, HIGH); }
               else { LED1, LOW;}}
                       
     buttonState2 = digitalRead(BUTTON2);
            if ( buttonState2 == HIGH)
               { digitalWrite(LED2, HIGH); } 
          else { digitalWrite(LED2, LOW);  }
          
       
      }