public DistanceSensorReader(string url)
        {
            sensorDataSender = new SensorDataSender(url);

            _distanceSensor = new DistanceSensorHCSR04();
            _distanceSensor.InitGPIO();

            InitTimer(3000);
        }
        public DistanceSender(string url)
        {
            this.url = url;

            distanceSensor = new DistanceSensorHCSR04();
            distanceSensor.InitGPIO();

            while (true)
            {
                StartReading().Wait();
            }
        }