//*******************************************
// LED - ON - OFF
//*******************************************
int ledb = 11;
int ain = A0;
int br = 0;
int brmax = 0;
int nrclap = 0;
int id1 = 0;
int id2 = 0;

void setup() {
  Serial.begin(9600);
  pinMode(ledb, OUTPUT);  
  pinMode(ain, INPUT);
}

void maksi()
{
  for (int n=0;n<500;n++)
  {
    br = analogRead(ain);
    if (br > brmax) {
      brmax = br;
    }
    delay(1);
  }
}

void loop() {
  maksi();
  Serial.println("max: "+String(brmax));
  brmax = brmax + 30;
  id1 = 0;
  while(true) {
        nrclap=0;
        for(int i = 0; i < 50; i++)
        {
          br = analogRead(ain);
          if (br > brmax){
              br = 0;
              if (id1 == 1){
                  delay(300);
                  id1 = 0;
                  digitalWrite(ledb, HIGH);                  
                }              
              else if (id1 == 0){
                  delay(300);
                  id1 = 1;
                  digitalWrite(ledb, LOW);                 
                }              
                delay(100);
                digitalWrite(ain, LOW);
          }
          delay(10);
        }
  }
}