diff --git a/components/wifi-manager/code.js b/components/wifi-manager/code.js
index 12328e61..ed59e196 100644
--- a/components/wifi-manager/code.js
+++ b/components/wifi-manager/code.js
@@ -24,6 +24,7 @@ var StatusIntervalActive = false;
 var ConfigIntervalActive = false;
 var RefreshAPIIntervalActive = false;
 
+var output = '';
 //TODO check
 var to = 0, set_int = 0;
 
@@ -65,7 +66,7 @@ function RepeatCheckConfigInterval(){
 
 function RepeatRefreshAPInterval(){
 	if(RefreshAPIIntervalActive)
-		startRefreshAPInterval()
+		startRefreshAPInterval();
 }
 
 $(document).ready(function(){
@@ -175,16 +176,81 @@ $(document).ready(function(){
 		$( "#wifi" ).slideDown( "fast", function() {})
 	});
 	
-	$("#update-command").click(function() {
-		updateAutoexec();
+	$("#autoexec-cb").on("click", function() {
+        autoexec = (this.checked)?1:0;
+        $.ajax({
+            url: '/config.json',
+            dataType: 'json',
+            method: 'POST',
+            cache: false,
+            headers: { "X-Custom-autoexec": autoexec },
+            data: { 'timestamp': Date.now() }
+        });
+        console.log('sent config JSON with headers:', autoexec);
+    });
+
+	$("#save-autoexec1").on("click", function() {
+        autoexec1 = $("#autoexec1").val();
+        
+        $.ajax({
+            url: '/config.json',
+            dataType: 'json',
+            method: 'POST',
+            cache: false,
+            headers: { "X-Custom-autoexec1": autoexec1 },
+            data: { 'timestamp': Date.now() }
+        });
+        console.log('sent config JSON with headers:', autoexec1);
+    });
+
+	$("#recovery").on("click", function() {
+        $.ajax({
+            url: '/recovery.json',
+            dataType: 'json',
+            method: 'POST',
+            cache: false,
+            data: { 'timestamp': Date.now()}
+        });
+    });
+
+	$("#reboot").on("click", function() {
+        $.ajax({
+            url: '/reboot.json',
+            dataType: 'json',
+            method: 'POST',
+            cache: false,
+            data: { 'timestamp': Date.now()}
+        });
+    });
+
+	$("#generate-command").on("click", function() {
+        var commandLine = commandHeader + '-n ' + $("#player").val();
+
+        if (output == 'bt') {
+            commandLine += ' -o "BT -n \'' + $("#btsink").val() + '\'" -R -Z 192000';
+        } else if (output == 'spdif') {
+            commandLine += ' -o SPDIF -R -Z 192000';
+        } else {
+            commandLine += ' -o I2S';
+        }
+        if ($("#optional").val() != '') {
+            commandLine += ' ' + $("#optional").val();
+        }
+        $("#autoexec1").val(commandLine);
 	});	
 
-	$("#generate-command").click(function() {
-		generateCommand();
-	});	
-
-    $('[name=audio]').click(function(){
-        selectOutput(this);
+    $('[name=audio]').on("click", function(){
+        console.log(this);
+        if (this.id == 'bt') {
+            $("#btsinkdiv").show(200);
+            output = 'bt';
+        } else if (this.id == 'spdif') {
+            $("#btsinkdiv").hide(200);
+            output = 'spdif';
+        } else {
+            $("#btsinkdiv").hide(200);
+            output = 'i2s';
+        }
    	});
 
 	//first time the page loads: attempt to get the connection status and start the wifi scan
@@ -240,8 +306,6 @@ function performConnect(conntype){
 	startRefreshAPInterval();
 }
 
-
-
 function rssiToIcon(rssi){
 	if(rssi >= -60){
 		return 'w0';
@@ -367,7 +431,6 @@ function getConfig() {
             } else {
                 console.log('turn off autoexec');
                 $("#autoexec-cb")[0].checked=false;
-                $("#autoexec-command").hide(200);
             }
         }
 		if (data.hasOwnProperty('recovery')) {
@@ -399,77 +462,8 @@ function getConfig() {
 	});
 }
 
-function updateAutoexec(){
-	autoexec = ($("#autoexec-cb")[0].checked)?1:0;
-	autoexec1 = $("#autoexec1").val();
-	
-	$.ajax({
-		url: '/config.json',
-		dataType: 'json',
-		method: 'POST',
-		cache: false,
-		headers: { "X-Custom-autoexec": autoexec, "X-Custom-autoexec1": autoexec1 },
-		data: { 'timestamp': Date.now() }
-	});
-    console.log('sent config JSON with headers:', autoexec, autoexec1);
-}
 
-var output = '';
-function selectOutput(el) {
-    if ($(el).attr('id') == 'bt') {
-        $("#btsinkdiv").show(200);
-        output = 'bt';
-    } else if ($(el).attr('id') == 'spdif') {
-        $("#btsinkdiv").hide(200);
-        output = 'spdif';
-    } else {
-        $("#btsinkdiv").hide(200);
-        output = 'i2s';
-    }
-}
 
-function generateCommand() {
-    var commandLine = commandHeader + '-n ' + $("#player").val();
-
-    if (output == 'bt') {
-        commandLine += ' -o "BT -n \'' + $("#btsink").val() + '\'" -R -Z 192000';
-    } else if (output == 'spdif') {
-        commandLine += ' -o SPDIF -R -Z 192000';
-    } else {
-        commandLine += ' -o I2S';
-    }
-    if ($("#optional").val() != '') {
-        commandLine += ' ' + $("#optional").val();
-    }
-    $("#autoexec1").val(commandLine);
-}
-
-function handleClick(item) {
-    console.log(item);
-    if (item.id == 'autoexec-cb') {
-        if (item.checked) {
-            $("#autoexec-command").show(200);
-        } else {
-            $("#autoexec-command").hide(200);
-        }
-    } else if (item.id == 'recovery') {
-        $.ajax({
-            url: '/recovery.json',
-            dataType: 'json',
-            method: 'POST',
-            cache: false,
-            data: { 'timestamp': Date.now()}
-        });
-    } else if (item.id == 'reboot') {
-        $.ajax({
-            url: '/reboot.json',
-            dataType: 'json',
-            method: 'POST',
-            cache: false,
-            data: { 'timestamp': Date.now()}
-        });
-    }
-}
 
 //TODO daduke check
 function file_change() {
diff --git a/components/wifi-manager/index.html b/components/wifi-manager/index.html
index 830b7b81..89d48cc1 100644
--- a/components/wifi-manager/index.html
+++ b/components/wifi-manager/index.html
@@ -4,19 +4,21 @@
         <meta charset="utf-8"/>
         <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
         <meta name="apple-mobile-web-app-capable" content="yes" />
+        <link rel="stylesheet" href="/test/bootstrap.min.css"> <!-- TODO delete -->
         <link rel="stylesheet" href="/bootstrap.css">
         <link rel="stylesheet" href="/style.css">
         <script src="/jquery.js"></script>
         <script src="/bootstrap.js"></script>
         <script src="/popper.js"></script>
-        <script src="/code.js"></script>
 
         <!-- TODO delete -->
-        <link rel="stylesheet" href="/test/bootstrap.min.css">
         <script src="/test/jquery.min.js"></script>
         <script src="/test/bootstrap.min.js"></script>
         <script src="/test/popper.min.js"></script>
 
+        <script src="/code.js"></script>
+
+
         <title>esp32-wifi-manager</title>
     </head>
 
@@ -31,6 +33,9 @@
             <li class="nav-item">
                 <a class="nav-link" data-toggle="tab" href="#tab-audio">Audio + LMS</a>
             </li>
+            <li class="nav-item">
+                <a class="nav-link" data-toggle="tab" href="#tab-gpio">GPIO</a>
+            </li>
             <li class="nav-item">
                 <a class="nav-link" data-toggle="tab" href="#tab-system">System</a>
             </li>
@@ -67,8 +72,8 @@
                         <input id="manual_pwd" type="password" placeholder="Password" value="">
                     </section>
                     <div class="buttons">
-                        <input id="manual_join" type="button" value="Join" data-connect="manual" />
-                        <input id="manual_cancel" type="button" value="Cancel"/>
+                        <input id="manual_join" type="button" class="btn btn-success" value="Join" data-connect="manual" />
+                        <input id="manual_cancel" type="button" class="btn btn-danger" value="Cancel"/>
                     </div>
                 </div>
 
@@ -81,8 +86,8 @@
                         <input id="pwd" type="password" placeholder="Password" value="">
                     </section>
                     <div class="buttons">
-                        <input id="join" type="button" value="Join" />
-                        <input id="cancel" type="button" value="Cancel"/>
+                        <input id="join" type="button" class="btn btn-success" value="Join" />
+                        <input id="cancel" type="button" class="btn btn-danger" value="Cancel"/>
                     </div>
                 </div>
 
@@ -105,7 +110,7 @@
                         </div>
                     </section>
                     <div class="buttons">
-                        <input id="ok-connect" type="button" value="OK" class="ctr" />
+                        <input id="ok-connect" type="button" value="OK" class="btn btn-success" />
                     </div>
                 </div>
 
@@ -117,7 +122,7 @@
                         <h2></h2>
                         <section>
                             <div class="buttons">
-                                <input id="disconnect" type="button" value="Disconnect" class="ctr"/>
+                                <input id="disconnect" type="button" value="Disconnect" class="btn btn-danger"/>
                             </div>
                         </section>
                         <h2>IP Address</h2>
@@ -127,15 +132,15 @@
                             <div class="ape">Default Gateway:<div id="gw" class="fr"></div></div>
                         </section>
                         <div class="buttons">
-                            <input id="ok-details" type="button" value="OK" class="ctr" />
+                            <input id="ok-details" type="button" value="OK" class="btn btn-success" />
                         </div>
                     </div>					
                     <div id="diag-disconnect" class="diag-box">
                         <div class="diag-box-win">
                             <p>Are you sure you would like to disconnect from this wifi?</p>
                             <div class="buttons">
-                                <input id="no-disconnect" type="button" value="No" />
-                                <input id="yes-disconnect" type="button" value="Yes" />
+                                <input id="no-disconnect" type="button" value="No" class="btn btn-success" />
+                                <input id="yes-disconnect" type="button" value="Yes" class="btn btn-danger" />
                             </div>
                         </div>
                     </div>
@@ -143,58 +148,70 @@
             </div>
 
             <div class="tab-pane fade" id="tab-startup">
-                <h2>Run squeezelite automatically at boot</h2>
-                <div id="autoexec" class="toggle">
-                    <label>
-                        <input id="autoexec-cb" type="checkbox" checked="checked" onclick='handleClick(this);'/><span class="slider"></span>
-                    </label>
+                <h1>Run squeezelite automatically at boot</h1>
+
+                <div class="custom-control custom-switch">
+                      <input type="checkbox" class="custom-control-input" id="autoexec-cb" checked="checked">
+                      <label class="custom-control-label" for="autoexec-cb"></label>
                 </div>
             </div>
 
             <div class="tab-pane fade" id="tab-audio">
-                <div id="autoexec-command">
-                    <div id="audioout" class="toggle-buttons">
-                        <h2>Audio output</h2>
-                        <input type="radio" id="i2s" name="audio" checked='checked' />
-                        <label for="i2s">I2S</label>
-                        <input type="radio" id="spdif" name="audio" />
-                        <label for="spdif">SPDIF</label>
-                        <input type="radio" id="bt" name="audio" />
-                        <label for="bt">Bluetooth</label>
+                <div id="audioout">
+                    <h1>Audio output</h1>
+                    <div class="form-group">
+                        <div class="custom-control custom-radio">
+                            <input type="radio" id="i2s" name="audio" class="custom-control-input" checked='checked' />
+                            <label for="i2s" class="custom-control-label">I2S</label>
+                        </div>
+                        <div class="custom-control custom-radio">
+                            <input type="radio" id="spdif" name="audio" class="custom-control-input" />
+                            <label for="spdif" class="custom-control-label">SPDIF</label>
+                        </div>
+                        <div class="custom-control custom-radio">
+                            <input type="radio" id="bt" name="audio" class="custom-control-input" />
+                            <label for="bt" class="custom-control-label">Bluetooth</label>
+                        </div>
                     </div>
-                    <div id="btsinkdiv">
-                        <input id="btsink" type="text" value="BT sink name" />
-                    </div>
-                    <div>
-                        <h2>Player name</h2>
-                        <input id="player" type="text" value="squeezelite" />
-                    </div>
-                    <div>
-                        <h2>Optional setting (e.g. for LMS IP address)</h2>
-                        <input id="optional" type="text" value="" placeholder="-s 192.168.0.1" />
-                    </div>
-
-                    <div class="buttons">
-                        <input id="generate-command" type="button" value="Generate" />
-                    </div>
-
-                    <h2>Squeezelite command to run</h2>
-                    <section id="command-list">
-                        <textarea id="autoexec1" maxlength="120">squeezelite -o I2S -b 500:2000 -d all=info -M esp32</textarea>
-                    </section>
                 </div>
+                <div id="btsinkdiv">
+                    <input id="btsink" type="text" value="BT sink name" />
+                </div>
+                <div>
+                    <h1>Player name</h1>
+                    <input id="player" type="text" value="squeezelite" />
+                </div>
+                <div>
+                    <h1>Optional setting (e.g. for LMS IP address)</h1>
+                    <input id="optional" type="text" value="" placeholder="-s 192.168.0.1" />
+                </div>
+
+                <div class="buttons">
+                    <input id="generate-command" type="button" class="btn btn-success" value="Generate" />
+                </div>
+
+                <h1>Squeezelite command to run</h1>
+                <section id="command-list">
+                    <textarea id="autoexec1" maxlength="120">squeezelite -o I2S -b 500:2000 -d all=info -M esp32</textarea>
+                </section>
+                <div class="buttons">
+                    <input id="save-autoexec1" type="button" class="btn btn-success" value="Save" />
+                </div>
+            </div>
+
+            <div class="tab-pane fade" id="tab-gpio">
             </div>
 
             <div class="tab-pane fade" id="tab-system">
                 <div id="recoverydiv">
-                    <h2>Check for firmware upgrade</h2>
+                    <h1>Check for firmware upgrade</h1>
                     <div class="buttons">
-                        <input type="button" id="fwcheck" value="Check" onclick='handleClick(this);' />
+                        <input type="button" id="fwcheck" class="btn btn-primary" value="Check" />
                         <p><span id="currentfw">Currently running: 0.1</span> - <span id="latestfw">latest available version: 0.2</span></p>
                     </div>
-                    <h2>Reboot to recovery system to perform firmware upgrade</h2>
+                    <h1>Reboot to recovery system to perform firmware upgrade</h1>
                     <div class="buttons">
-                        <input type="button" id="recovery" value="Recovery" onclick='handleClick(this);' />
+                        <input type="button" id="recovery" class="btn btn-primary" value="Recovery" />
                     </div>
                 </div>
                 <div id="otadiv">
@@ -205,9 +222,9 @@
                         <span id="file_info"></span>
                         <input type="submit" id="update" disabled="" value="Upload">
                     </form>
-                    <h2>Reboot system with new firmware</h2>
+                    <h1>Reboot system with new firmware</h1>
                     <div class="buttons">
-                        <input type="button" id="reboot" value="Reboot" onclick='handleClick(this);' />
+                        <input type="button" id="reboot" class="btn btn-primary" value="Reboot" />
                     </div>
                 </div>
             </div>
diff --git a/components/wifi-manager/style.css b/components/wifi-manager/style.css
index 39d1414f..961621ed 100644
--- a/components/wifi-manager/style.css
+++ b/components/wifi-manager/style.css
@@ -1,8 +1,6 @@
 body {
-    background-color: #eee;
     border: 0;
     margin: 0;
-    font: 1.1em tahoma, arial, sans-serif;
 }
 a {
     color: darkblue;
@@ -12,49 +10,12 @@ a {
 a:hover {
     color: red;
 }
-input {
-    font: 1.1em tahoma, arial, sans-serif;
-}
 input:focus,
 select:focus,
 textarea:focus,
 button:focus {
     outline: none;
 }
-input[type="button"] {
-    padding: 5px;
-    text-align: center;
-    display: block;
-}
-p {
-    padding: 10px;
-}
-#credits {
-    display: none;
-}
-#app {} #app-wrap {} #disconnect {
-    width: 150px;
-}
-.diag-box {
-    position: absolute;
-    top: 0;
-    left: 0;
-    bottom: 0;
-    right: 0;
-    height: 100%;
-    width: 100%;
-    display: none;
-}
-.diag-box-win {
-    position: absolute;
-    left: 10%;
-    width: 80%;
-    text-align: center;
-    border: 2px outset #888;
-    background-color: #fff;
-    border-radius: 10px;
-    top: 20%;
-}
 .blur {
     -webkit-filter: blur(2px);
     -moz-filter: blur(2px);
@@ -65,29 +26,26 @@ p {
 .ape {
     margin-left: 20px;
     padding: 10px 0px 10px 10px;
+    background-color: #444;
 }
 .ape:hover {
     cursor: pointer;
 }
-.brdb {
-    border-bottom: 1px solid #888;
-}
 header {
-    background-color: #fff;
-    border-bottom: 1px solid #888;
-    border-top: 1px solid #888;
+    border-bottom: 1px solid #000;
+    border-top: 1px solid #000;
 }
 section {
-    background-color: #fff;
-    border-bottom: 1px solid #888;
-    border-top: 1px solid #888;
+    border-bottom: 1px solid #000;
+    border-top: 1px solid #000;
 }
 h1 {
-    display: block;
-    text-align: center;
     margin: 0;
-    padding: 15px;
-    font-size: 1.4em
+    margin-top: 20px;
+    padding: 10px;
+    text-transform: uppercase;
+    color: #888;
+    font-size: 1.6em
 }
 h2 {
     margin: 0;
@@ -154,9 +112,6 @@ h3 {
 #no-disconnect {
     display: inline-block;
 }
-.ctr {
-    margin: 0 auto;
-}
 .tctr {
     text-align: center;
 }
@@ -248,117 +203,91 @@ h3 {
 }
 /* end of SpinKit */
 
-.toggle label {
-	position: relative;
-	display: inline-block;
-	height: 3.5em;
+/* daduke stuff */
+input[type='text'], input[type='password'], textarea {
+  background: #999;
+  border: 0;
+  padding: 4px;
 }
 
-.toggle input {
-	display: none;
+
+
+.custom-switch, .custom-radio {
+  padding-left: 2.25rem;
+  margin-left: 12px;
+  padding-bottom: 1rem;
 }
 
-.toggle .slider {
-	/* Grundfläche */
-	
-	position: absolute;
-	cursor: pointer;
-	top: 1.5em;
-
-    left: 8px;
-
-	width: 4em;
-	height: 2em;
-	background-color: #c32e04;
-	/* red */
-	
-	transition: all .3s ease-in-out;
-	border-radius: 1em;
+.custom-checkbox > .custom-control-label {
+  padding-top: 0.5rem;
+  padding-left: 2rem;
+  padding-bottom: 0.1rem;
 }
 
-.toggle .slider:before {
-	/* verschiebbarer Button */
-	
-	position: absolute;
-	content: "";
-	height: 1.6em;
-	width: 1.6em;
-	left: 0.2em;
-	bottom: 0.2em;
-	background-color: white;
-	border-radius: 50%;
-	transition: all .3s ease-in-out;
+.custom-switch .custom-control-label::before {
+  left: -2.25rem;
+  height: 2rem;
+  width: 3.5rem;
+  pointer-events: all;
+  border-radius: 1rem;
 }
 
-.toggle input:checked + .slider {
-	background-color: #5a9900;
-	/* green */
+.custom-switch .custom-control-label::after {
+  top: calc(0.25rem + 2px);
+  left: calc(-2.25rem + 2px);
+  width: calc(2rem - 4px);
+  height: calc(2rem - 4px);
+  background-color: #adb5bd;
+  border-radius: 2rem;
+  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-transform 0.15s ease-in-out;
+  transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
+  transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-transform 0.15s ease-in-out;
+}
+@media (prefers-reduced-motion: reduce) {
+  .custom-switch .custom-control-label::after {
+    transition: none;
+  }
 }
 
-.toggle input:focus + .slider {
-	background-color: pink;
-	box-shadow: 0 0 1px #5a9900;
+.custom-switch .custom-control-input:checked ~ .custom-control-label::after {
+  background-color: #fff;
+  -webkit-transform: translateX(1.5rem); //translateX(0.75rem);
+  transform: translateX(1.5rem); //translateX(0.75rem);
 }
 
-.toggle input:checked + .slider:before {
-	-webkit-transform: translateX(1.9em);
-	/* Android 4 */
-	
-	-ms-transform: translateX(1.9em);
-	/* IE9 */
-	
-	transform: translateX(1.9em);
+
+
+
+
+
+
+
+textarea#autoexec1 {
+    width: 80%;
 }
 
-.text .slider:after {
-	/* Text vor dem FlipFlop-Schalter */
-	
-	position: absolute;
-	content: "AUS";
-	color: #c32e04;
-	font-weight: bold;
-	height: 1.6em;
-	left: -2.5em;
-	bottom: 0.2em;
+input, textarea {
+    margin-left: 10px;
+    border-radius: 3px;
+    border: 1px solid transparent;
+    border-top: none;
+    border-bottom: 1px solid #DDD;
+    box-shadow: inset 0 1px 2px rgba(0,0,0,.39), 0 -1px 1px #FFF, 0 1px 0 #FFF;
 }
 
-.text input:checked + .slider:after {
-	/* Text hinter dem FlipFlop-Schalter */
-	
-	position: absolute;
-	content: "AN";
-	color: #5a9900;
-	left: 4.5em;
-}
-
-input#autoexec1 {
-    border: none;
-    margin-left: 35px;
-    padding: 10px 0px 10px 10px;
-}
-
-input#ota {
-    margin-top: 5px;
-    margin-bottom: 5px;
+.form-group {
+    margin-left: 10px;
 }
 
 #otadiv {
-    margin-bottom: 15px;
-}
-
-#btsink, #player, #optional {
-    margin-left: 13px;
+	display: none;
 }
 
 #btsinkdiv {
-    display: none;
-    margin-top: 20px;
-}
-
-textarea#autoexec1 {
-    width: 100%;
+	display: none;
 }
 
+/* 
 .toggle-buttons input[type="radio"] {
 	visibility: hidden;
     width: 3px;
@@ -376,6 +305,4 @@ textarea#autoexec1 {
 	box-shadow: none;
 }
 
-#otadiv {
-	display: none;
-}
+*/