diff --git a/headers/buzzerconn.h b/headers/buzzerconn.h
index 97cb0a6..7cd2ff7 100644
--- a/headers/buzzerconn.h
+++ b/headers/buzzerconn.h
@@ -9,6 +9,7 @@
 #include <QAuthenticator>
 #include <QDesktopServices>
 #include <QDateTime>
+#include <QtDebug>
 
 typedef struct strReturnData{
     int status_code;
diff --git a/qml/connections/StartpadConn.qml b/qml/connections/StartpadConn.qml
index a872c08..3ab731b 100644
--- a/qml/connections/StartpadConn.qml
+++ b/qml/connections/StartpadConn.qml
@@ -39,7 +39,7 @@ Item {
                 startpadConn.pushed()
 
             }
-            if(root.state === "RUNNING"){
+            if(root.state === "RUNNING" || root.state === "STARTING"){
                 running_refresh_timer.start()
             }
         }
diff --git a/qml/main.qml b/qml/main.qml
index 5e1e9c1..0160907 100644
--- a/qml/main.qml
+++ b/qml/main.qml
@@ -79,7 +79,16 @@ Window {
 
         StartpadConn {
             id: startpadConn
-
+            onPushed: {
+                console.log("startpad triggered")
+                var offset = _cppStartpadConn.get("offset")
+                var last_pressed = _cppStartpadConn.get("lastpressed")
+                var trigger_time = (last_pressed + offset)
+                root.last_run.react_time = trigger_time - root.startTime
+                if(trigger_time - root.startTime <= 0){
+                    root.stop("false")
+                }
+            }
         }
 
         Timer {
@@ -167,6 +176,7 @@ Window {
             onPlayingChanged: {
                 if(!playing && root.state==="STARTING"){
                     root.startTime = _cppBuzzerConn.get("currtime")
+                    console.log(root.startTime)
 
                     root.currTime = _cppBuzzerConn.get("currtime")
                     time.text = ( ( root.currTime - root.startTime ) / 1000 ).toFixed(3) + " sec"
@@ -210,6 +220,28 @@ Window {
                     }
                 }
             }
+
+            Label {
+                id: react_time
+                property int rtime: root.last_run.react_time
+                text: qsTr("reaction time (ms):  ") + Math.round(rtime)
+                opacity: (root.state === "RUNNING" || root.sate === "STARTING" || root.state === "STOPPED") && rtime !== 0 ? 1:0
+                color: StyleSettings.textColor
+                anchors {
+                    horizontalCenter: parent.horizontalCenter
+                    top: time.bottom
+                    topMargin: parent.height * 0.1
+                }
+                Timer {
+                    running: root.state === "RUNNING" || root.sate === "STARTING" || root.state === "STOPPED"
+                    repeat: true
+                    interval: 1
+                    onTriggered: {
+                        react_time.rtime = root.last_run.react_time
+                    }
+                }
+            }
+
         }
 
         ConnectionIcon {
@@ -674,6 +706,7 @@ Window {
 
         function reset(){
             root.state = "IDLE"
+            root.last_run.react_time = 0
         }
     }
 }
diff --git a/sources/main.cpp b/sources/main.cpp
index a4c65bc..b6e07bd 100644
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -105,8 +105,8 @@ int main(int argc, char *argv[])
 #endif
 
     connectToDatabase();
-    BuzzerConn * pBuzzerConn = new BuzzerConn(nullptr, QUrl("http://api.itsblue.de/test/buzzerem.php"));
-    BuzzerConn * pStartpadConn = new BuzzerConn(nullptr, QUrl("http://api.itsblue.de/test/startpadem.php"));
+    BuzzerConn * pBuzzerConn = new BuzzerConn(nullptr, QUrl("http://192.168.4.1"));
+    BuzzerConn * pStartpadConn = new BuzzerConn(nullptr, QUrl("http://192.168.4.2"));
     AppSettings * pAppSettings = new AppSettings();
 
     //setup the sql storage model as a qml model
@@ -129,5 +129,12 @@ int main(int argc, char *argv[])
     engine.rootContext()->setContextProperty("_cppStartpadConn", pStartpadConn);
     engine.rootContext()->setContextProperty("_cppAppSettings", pAppSettings);
 
-    return app.exec();
+    int iRet = 0;
+    iRet = app.exec();
+
+    delete pBuzzerConn;
+    delete pStartpadConn;
+    delete pAppSettings;
+
+    return iRet;
 }