private async void McuSendPassword()
        {
            await Task.Delay(1000);
            var z = new Password(LibraryData.Settings["defaultPw"] ?? "579ACE", false);
            QueueData(z);
            await z.WaitAsync();

            if (z.PasswordCorrect)
            {
                _mcucomm.Fire(Cevts.PasswordOk);
            }
            else
            {
                _mcucomm.Fire(Cevts.Error, "Wrong password");
            }
        }