diff --git a/ampmanager.cpp b/ampmanager.cpp
index 735ad02..780b44f 100644
--- a/ampmanager.cpp
+++ b/ampmanager.cpp
@@ -2,21 +2,56 @@
 
 AmpManager::AmpManager(Microcontroller *micro, int relayNumber, QAudioDeviceInfo device, QObject *parent) : QObject(parent), _micro(micro), _relayNumber(relayNumber)
 {
-    QAudioFormat format;
-    format.setSampleRate(8000);
-    format.setChannelCount(1);
-    format.setSampleSize(8);
-    format.setCodec("audio/pcm");
-    format.setByteOrder(QAudioFormat::LittleEndian);
-    format.setSampleType(QAudioFormat::UnSignedInt);
+    /* Open PCM device for recording (capture). */
+    rc = snd_pcm_open(&handle, "default", SND_PCM_STREAM_CAPTURE, 0);
+    if (rc < 0) {
+      fprintf(stderr, "unable to open pcm device: %s\n", snd_strerror(rc));
+      exit(1);
+    }
 
-     _audioDevice = new QAudioInput(device/*, format*/);
+    /* Allocate a hardware parameters object. */
+    snd_pcm_hw_params_alloca(&params);
+
+    /* Fill it in with default values. */
+    snd_pcm_hw_params_any(handle, params);
+
+    /* Set the desired hardware parameters. */
+
+    /* Interleaved mode */
+    snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_INTERLEAVED);
+
+    /* Signed 16-bit little-endian format */
+    snd_pcm_hw_params_set_format(handle, params, SND_PCM_FORMAT_S16_LE);
+s
+    /* One channel (mono) */
+    snd_pcm_hw_params_set_channels(handle, params, 1);
+
+    /* 16000 bits/second sampling rate */
+    val = 16000;
+    snd_pcm_hw_params_set_rate_near(handle, params, &val, &dir);
+
+    /* Set period size to 2048 frames. */
+    frames = 2048;
+    snd_pcm_hw_params_set_period_size_near(handle, params, &frames, &dir);
+
+    /* Write the parameters to the driver */
+    rc = snd_pcm_hw_params(handle, params);
+    if (rc < 0) {
+      fprintf(stderr, "unable to set hw parameters: %s\n", snd_strerror(rc));
+      exit(1);
+    }
+
+    /* Use a buffer large enough to hold one period */
+    snd_pcm_hw_params_get_period_size(params, &frames, &dir);
+    size = frames * 2; /* 2 bytes/sample, 1 channels */
+    char* buffer = new char[size]();
 }
 
 AmpManager::~AmpManager()
 {
     abort();
-    delete _audioDevice;
+    snd_pcm_drain(handle);
+    snd_pcm_close(handle);
 }
 
 void AmpManager::run()
diff --git a/ampmanager.h b/ampmanager.h
index 5536c81..9f036a7 100644
--- a/ampmanager.h
+++ b/ampmanager.h
@@ -10,9 +10,9 @@
 #include <QTimer>
 #include <QByteArray>
 #include <QtDebug>
-#include <QAudioInput>
 #include <QAudioDeviceInfo>
-#include <QIODevice>
+#include <alsa/asoundlib.h>
+
 
 #include "microcontroller.h"
 
@@ -38,8 +38,12 @@ private:
     Microcontroller *_micro;
     int _relayNumber;
 
-    QAudioInput* _audioDevice;
-    QIODevice* _ioDevice = nullptr;
+    char* _buffer;
+
+    snd_pcm_t *handle;
+    snd_pcm_hw_params_t *params;
+    snd_pcm_uframes_t frames;
+    char *buffer;
 
     bool relayState = false;
 
diff --git a/main.cpp b/main.cpp
index 44bc000..683cd9c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -94,7 +94,7 @@ int main(int argc, char *argv[])
 
 
 
-    AmpManager amp(&micro, 0, QAudioDeviceInfo::defaultInputDevice());
+    AmpManager amp(&micro, 0);
 
     MainWindow w(&settings, &micro, parser.isSet(secondaryOption));
     QObject::connect(&micro, SIGNAL(textRecived(QString)), &w, SLOT(changeHeaderLableText(QString)));
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 1f8fc12..549845b 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -143,6 +143,11 @@ void MainWindow::slotBSpeakerAutoToggle(int state)
     ui->checkBox_bspeaker->setEnabled(!state);
 }
 
+void MainWindow::slotDoorOpenTimeout()
+{
+    ui->checkBox_doorOpen->setChecked(true);
+}
+
 void MainWindow::slotInfMirrorAutoToggle(int state)
 {
     ui->checkBox_inf->setEnabled(!state);
diff --git a/mainwindow.h b/mainwindow.h
index 64d242f..23140a2 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -77,6 +77,8 @@ private slots:
     //Night
     void slotChangedNightTime(const QTime time);
 
+    //door
+    void slotDoorOpenTimeout();
 
 public slots:
 
diff --git a/mainwindow.ui b/mainwindow.ui
index ae9e9cd..817d3dd 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>859</width>
-    <height>549</height>
+    <width>862</width>
+    <height>570</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -502,6 +502,20 @@
         </property>
        </spacer>
       </item>
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_8">
+        <item>
+         <widget class="QCheckBox" name="checkBox_doorOpen">
+          <property name="text">
+           <string>CheckBox</string>
+          </property>
+          <property name="checkable">
+           <bool>false</bool>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
       <item>
        <layout class="QHBoxLayout" name="horizontalLayout_12">
         <item>
diff --git a/microcontroller.cpp b/microcontroller.cpp
index 39e5bdd..4cc1643 100644
--- a/microcontroller.cpp
+++ b/microcontroller.cpp
@@ -116,22 +116,35 @@ void Microcontroller::processMicroReturn()
 {
     QString workbuff = _buffer;
 
-    workbuff.remove(0, 2);
-    QStringList workbufList = workbuff.split(',');
-    int numberOfRelays = workbufList[0].toInt();
-    if(workbufList.size() >= numberOfRelays+1)
+    if(_buffer.size() > 2 && _buffer[0] == "S" && _buffer[1] == "T")
     {
-        bool hasChanged = false;
-        _relayStates.resize(numberOfRelays, false);
-        for(int i = 0; i < numberOfRelays; i++)
+
+        workbuff.remove(0, 2);
+        QStringList workbufList = workbuff.split(',');
+        int numberOfRelays = workbufList[0].toInt();
+        if(workbufList.size() >= numberOfRelays+1)
         {
-            if(_relayStates[i] != (bool)workbufList[i+1].toInt())
+            bool hasChanged = false;
+            _relayStates.resize(numberOfRelays, false);
+            for(int i = 0; i < numberOfRelays; i++)
             {
-                _relayStates[i] = (bool)workbufList[i+1].toInt();
-                hasChanged = true;
+                if(_relayStates[i] != (bool)workbufList[i+1].toInt())
+                {
+                    _relayStates[i] = (bool)workbufList[i+1].toInt();
+                    hasChanged = true;
+                }
             }
+            if(hasChanged)relayStateChanged(_relayStates);
         }
-        if(hasChanged)relayStateChanged(_relayStates);
+    }
+    else if(workbuff.contains("Door Open Warning"))
+    {
+        doorOpenTimeout();
+    }
+    else if(workbuff.size() > 2 && workbuff[0]=='D' && workbuff[1]=='2')
+    {
+        if(workbuff[3] == 'O') doorOpen(1);
+        else if(workbuff[3] == 'C') doorClosed(1);
     }
 }
 
@@ -145,10 +158,7 @@ void Microcontroller::doTick()
             _buffer.push_back(charBuf);
             if( _buffer.endsWith('\n') )
             {
-                if(_buffer.size() > 2 && _buffer[0] == "S" && _buffer[1] == "T")
-                {
-                    processMicroReturn();
-                }
+                processMicroReturn();
                 textRecived(_buffer);
                 _buffer.clear();
             }
diff --git a/microcontroller.h b/microcontroller.h
index cd3273e..8b383af 100644
--- a/microcontroller.h
+++ b/microcontroller.h
@@ -53,7 +53,9 @@ public slots:
 signals:
     void textRecived(const QString string);
     void relayStateChanged(std::vector<bool> relayStates);
-
+    void doorOpenTimeout();
+    void doorOpened(int id);
+    void doorClosed(int id);
 };
 
 #endif // MICROCONTROLLER_H
diff --git a/relaydialog.ui b/relaydialog.ui
index 26a3806..fbdede4 100644
--- a/relaydialog.ui
+++ b/relaydialog.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>358</width>
-    <height>279</height>
+    <height>320</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -25,7 +25,7 @@
         <item>
          <widget class="QLabel" name="label">
           <property name="text">
-           <string>Night Relays</string>
+           <string>Soldering iron</string>
           </property>
          </widget>
         </item>