##### code excerpt from bitcoinSwitch #####

 ### v0.1 - classic = Classic bitcoinSwitch. On for time x  (time example = 5000ms)

  ..
  while(paid == false){
    webSocket.loop();
    if(paid){
      pinMode(getValue(payloadStr, '-', 0).toInt(), OUTPUT);
      digitalWrite(getValue(payloadStr, '-', 0).toInt(), HIGH);
      delay(getValue(payloadStr, '-', 1).toInt());
      digitalWrite(getValue(payloadStr, '-', 0).toInt(), LOW);
    }
  }
  Serial.println("Paid");
  paid = false;
  ..


 ### v0.2 - flash = Recurrent lightning with undercutting. Time x equal to flash period half  (time x example = 4000ms)

  ..
  while(paid == false){
    webSocket.loop();
    if(paid){
      pinMode(getValue(payloadStr, '-', 0).toInt(), OUTPUT);
      int i = 0;
      Serial.println("while1");
      while (i<2)
      {
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), HIGH);
        delay(getValue(payloadStr, '-', 1).toInt());
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), LOW);
        delay(getValue(payloadStr, '-', 1).toInt());
        i++;
      }
      delay(800);
      i = 0;
      Serial.println("while2");
      while (i<4)
      {
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), HIGH);
        delay(getValue(payloadStr, '-', 1).toInt());
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), LOW);
        delay(getValue(payloadStr, '-', 1).toInt());
        i++;
      }
      delay(800);
      i = 0;
      Serial.println("while3");
      while (i<2)
      {
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), HIGH);
        delay(getValue(payloadStr, '-', 1).toInt());
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), LOW);
        delay(getValue(payloadStr, '-', 1).toInt());
        i++;
      }
      Serial.println("long");
      digitalWrite(getValue(payloadStr, '-', 0).toInt(), HIGH);
      delay(getValue(payloadStr, '-', 1).toInt());
      delay(getValue(payloadStr, '-', 1).toInt());
      digitalWrite(getValue(payloadStr, '-', 0).toInt(), LOW);
      delay(getValue(payloadStr, '-', 1).toInt());
    }
  }
  Serial.println("Paid");
  paid = false;
  ..


 ### v0.3 - strobo = 50ms on/off => 100ms/periode => 10Hz for time x (time x example = 4000ms)

  ..
  while(paid == false){
    webSocket.loop();
    if(paid){
      pinMode(getValue(payloadStr, '-', 0).toInt(), OUTPUT);
      int time = 0;
      Serial.println("time");
      while (time < (getValue(payloadStr, '-', 1).toInt()))
      {
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), HIGH);
        delay(50);
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), LOW);
        delay(50);
        time = time + 100;
      }
    }
  }
  Serial.println("Paid");
  paid = false;
  ..


 ### v0.4 - signal = On/off ratio 1 to 3 with length factor 10 (time x example = 80ms)

  ..
  while(paid == false){
    webSocket.loop();
    if(paid){
      pinMode(getValue(payloadStr, '-', 0).toInt(), OUTPUT);
      int time = 0;
      Serial.println("time");
      while (time < 10*(getValue(payloadStr, '-', 1).toInt()))
      {
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), HIGH);
        delay(getValue(payloadStr, '-', 1).toInt());
        digitalWrite(getValue(payloadStr, '-', 0).toInt(), LOW);
        delay(3*(getValue(payloadStr, '-', 1).toInt()));
        time = time + getValue(payloadStr, '-', 1).toInt();
      }
    }
  }
  Serial.println("Paid");
  paid = false;
  ..