 
 String operating_system;
 
+unsigned long last_led_activity = 0;
+#define LED_SHOW_ACTIVITY_TIME 100
+
 void setup()                                    // setup function is a part of every Arduino sketch, it gets called once at the begining
 {
+  pinMode(LED_BUILTIN, OUTPUT);
+  digitalWrite(LED_BUILTIN, HIGH);
   App.begin(MODULE_BAUDRATE);                  // begin communication with the bluetooth module
   //Keyboard.begin();                           // begin emulating keyboard
   Keyboard.begin();

  HID().SendReport(2, &kr, sizeof(KeyReport));

*/
  
}


void loop()                                   // loop function is also a part of every Arduino sketch but gets called over again after it returns/finishes unlike "setup" function
{ 
  byte i=0; 
  if (App.available() > 0)               // check whether there's any data received by the bluetooth module
  {        

              #ifdef LOG_SERIAL
                Serial.println(inSerial);
              #endif
              LED_show_activity();
              inSerial[i]='\0'; MyFuncMouseMove(inSerial);i = 0;
            }     //MM:L,U,3,1,end (mouse movement)}
        }
