public async Task PostMeasurement(string Mac, string data)
        {
            Box box = _context.Boxes.FirstOrDefault(b => b.MacAddress == Mac);

            if (box == null)
            {
                return;
            }
            DateTime     date1        = DateTime.UtcNow;
            TimeZoneInfo timeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById("Central European Standard Time");
            DateTime     date2        = TimeZoneInfo.ConvertTime(date1, timeZoneInfo);

            List <string> dummy = HexHelper.HexConv(data);

            if (int.Parse(dummy[0]) == 1)
            {
                dummy.Remove("1");
                dummy.RemoveAll(p => p == "0");
                string test = string.Join(",", dummy);
                box.ConfiguratieString = test;
                await _context.SaveChangesAsync();

                return;
            }
            if (int.Parse(dummy[0]) == 2)
            {
                dummy.Remove("2");
                //string test = string.Join(",", dummy);
                //string[] values = test.Split(",");
                string   conf    = box.ConfiguratieString;
                string[] sensors = conf.Split(",");
                int      i       = 0;

                foreach (string sensor in sensors)
                {
                    int       sensorid  = int.Parse(sensor);
                    SensorBox sensorBox = _context.SensorBoxes.Where(s => s.BoxID == box.BoxID).FirstOrDefault(s => s.SensorID == sensorid);
                    Sensor    sensor1   = _context.Sensors.FirstOrDefault(s => s.SensorID == sensorid);
                    if (sensorBox == null)
                    {
                        SensorBox sensorBox1 = new SensorBox();
                        sensorBox1.BoxID    = box.BoxID;
                        sensorBox1.SensorID = sensorid;
                        _context.SensorBoxes.Add(sensorBox1);
                        await _context.SaveChangesAsync();
                    }

                    Measurement measurement = new Measurement();
                    measurement.BoxID     = box.BoxID;
                    measurement.SensorID  = sensorid;
                    measurement.TimeStamp = date2;
                    if (sensor1.SensorTypeID == 4)
                    {
                        int value = int.Parse(dummy[i]) - 100;
                        measurement.Value = value.ToString();
                    }
                    else
                    {
                        measurement.Value = dummy[i];
                    }
                    i++;
                    _context.Measurements.Add(measurement);
                    await _context.SaveChangesAsync();
                }
                return;
            }
        }