diff --git a/src/components/Blockly/generator/sensebox-osem.js b/src/components/Blockly/generator/sensebox-osem.js
index d03f3f5..72e27f1 100644
--- a/src/components/Blockly/generator/sensebox-osem.js
+++ b/src/components/Blockly/generator/sensebox-osem.js
@@ -51,7 +51,7 @@ Blockly.Arduino.sensebox_osem_connection = function (Block) {
   Blockly.Arduino.definitions_["SenseBoxID"] =
     'const char SENSEBOX_ID [] PROGMEM = "' + box_id + '";';
   Blockly.Arduino.definitions_["host"] =
-    "const char server [] PROGMEM =" + host + ";";
+    'const char server [] PROGMEM ="ingress.opensensemap.org";';
   if (wifi === true) {
     if (ssl === "TRUE") {
       Blockly.Arduino.definitions_["WiFiSSLClient"] = "WiFiSSLClient client;";
@@ -68,43 +68,43 @@ Blockly.Arduino.sensebox_osem_connection = function (Block) {
       Blockly.Arduino.definitions_["EthernetClient"] = "EthernetClient client;";
       port = 80;
     }
-    'const char server [] PROGMEM ="ingress.opensensemap.org";';
-  if (ssl === "TRUE") {
-    Blockly.Arduino.libraries_["library_bearSSL"] =
-      "#include <ArduinoBearSSL.h>";
-    Blockly.Arduino.libraries_["library_arduinoECC08"] =
-      "#include <ArduinoECCX08.h>";
-    Blockly.Arduino.definitions_["WiFiClient"] = "WiFiClient wifiClient;";
-    Blockly.Arduino.definitions_["BearSSLClient"] =
-      "BearSSLClient client(wifiClient);";
-    Blockly.Arduino.functionNames_["getTime"] = `unsigned long getTime() {
+
+    if (ssl === "TRUE") {
+      Blockly.Arduino.libraries_["library_bearSSL"] =
+        "#include <ArduinoBearSSL.h>";
+      Blockly.Arduino.libraries_["library_arduinoECC08"] =
+        "#include <ArduinoECCX08.h>";
+      Blockly.Arduino.definitions_["WiFiClient"] = "WiFiClient wifiClient;";
+      Blockly.Arduino.definitions_["BearSSLClient"] =
+        "BearSSLClient client(wifiClient);";
+      Blockly.Arduino.functionNames_["getTime"] = `unsigned long getTime() {
       return WiFi.getTime();
     }`;
-    port = 443;
-  } else if (ssl === "FALSE") {
-    Blockly.Arduino.definitions_["WiFiClient"] = "WiFiClient client;";
-    port = 80;
-  }
+      port = 443;
+    } else if (ssl === "FALSE") {
+      Blockly.Arduino.definitions_["WiFiClient"] = "WiFiClient client;";
+      port = 80;
+    }
 
-  Blockly.Arduino.definitions_["measurement"] = `typedef struct measurement {
+    Blockly.Arduino.definitions_["measurement"] = `typedef struct measurement {
       const char *sensorId;
       float value;
     } measurement;`;
-  Blockly.Arduino.definitions_["buffer"] = "char buffer[750];";
-  Blockly.Arduino.definitions_[
-    "num_measurement"
-  ] = `measurement measurements[NUM_SENSORS];
+    Blockly.Arduino.definitions_["buffer"] = "char buffer[750];";
+    Blockly.Arduino.definitions_[
+      "num_measurement"
+    ] = `measurement measurements[NUM_SENSORS];
     uint8_t num_measurements = 0;`;
-  Blockly.Arduino.definitions_["lengthMultiplikator"] =
-    "const int lengthMultiplikator = 35;";
-  Blockly.Arduino.functionNames_["addMeasurement"] = `
+    Blockly.Arduino.definitions_["lengthMultiplikator"] =
+      "const int lengthMultiplikator = 35;";
+    Blockly.Arduino.functionNames_["addMeasurement"] = `
     void addMeasurement(const char *sensorId, float value) {
     measurements[num_measurements].sensorId = sensorId;
     measurements[num_measurements].value = value;
     num_measurements++;
     }`;
-  if (type === "Stationary") {
-    Blockly.Arduino.functionNames_["writeMeasurementsToClient"] = `
+    if (type === "Stationary") {
+      Blockly.Arduino.functionNames_["writeMeasurementsToClient"] = `
     void writeMeasurementsToClient() {
     // iterate throug the measurements array
     for (uint8_t i = 0; i < num_measurements; i++) {
@@ -116,8 +116,8 @@ Blockly.Arduino.sensebox_osem_connection = function (Block) {
     // reset num_measurements
     num_measurements = 0;
   }`;
-    Blockly.Arduino.functionNames_["submitValues"] =
-      `
+      Blockly.Arduino.functionNames_["submitValues"] =
+        `
     void submitValues() {
   if (client.connected()) {
     client.stop();
@@ -129,8 +129,8 @@ Blockly.Arduino.sensebox_osem_connection = function (Block) {
   for (uint8_t timeout = 2; timeout != 0; timeout--) {
     Serial.println(F("connecting..."));
     connected = client.connect(_server, ` +
-      port +
-      `);
+        port +
+        `);
     if (connected == true) {
       // construct the HTTP POST request:
       sprintf_P(buffer,
@@ -158,33 +158,33 @@ Blockly.Arduino.sensebox_osem_connection = function (Block) {
   }
   }`;
 
-    var code = "";
-    code += branch;
-    code += "submitValues();\n";
-  } else if (type === "Mobile") {
-    var lat = Blockly.Arduino.valueToCode(
-      Block,
-      "lat",
-      Blockly.Arduino.ORDER_ATOMIC
-    );
-    var lng = Blockly.Arduino.valueToCode(
-      Block,
-      "lng",
-      Blockly.Arduino.ORDER_ATOMIC
-    );
-    var timestamp = Blockly.Arduino.valueToCode(
-      Block,
-      "timeStamp",
-      Blockly.Arduino.ORDER_ATOMIC
-    );
-    var altitude = Blockly.Arduino.valueToCode(
-      Block,
-      "altitude",
-      Blockly.Arduino.ORDER_ATOMIC
-    );
-    Blockly.Arduino.definitions_["lengthMultiplikator"] =
-      "const int lengthMultiplikator = 77;";
-    Blockly.Arduino.functionNames_["writeMeasurementsToClient"] = `
+      var code = "";
+      code += branch;
+      code += "submitValues();\n";
+    } else if (type === "Mobile") {
+      var lat = Blockly.Arduino.valueToCode(
+        Block,
+        "lat",
+        Blockly.Arduino.ORDER_ATOMIC
+      );
+      var lng = Blockly.Arduino.valueToCode(
+        Block,
+        "lng",
+        Blockly.Arduino.ORDER_ATOMIC
+      );
+      var timestamp = Blockly.Arduino.valueToCode(
+        Block,
+        "timeStamp",
+        Blockly.Arduino.ORDER_ATOMIC
+      );
+      var altitude = Blockly.Arduino.valueToCode(
+        Block,
+        "altitude",
+        Blockly.Arduino.ORDER_ATOMIC
+      );
+      Blockly.Arduino.definitions_["lengthMultiplikator"] =
+        "const int lengthMultiplikator = 77;";
+      Blockly.Arduino.functionNames_["writeMeasurementsToClient"] = `
       void writeMeasurementsToClient(float lat, float lng, float altitude, char* timeStamp) {
       // iterate throug the measurements array
       for (uint8_t i = 0; i < num_measurements; i++) {
@@ -196,10 +196,10 @@ Blockly.Arduino.sensebox_osem_connection = function (Block) {
       // reset num_measurements
       num_measurements = 0;
       }`;
-    Blockly.Arduino.variables_["latitude"] = "float latitude;";
-    Blockly.Arduino.variables_["longitude"] = "float longitude;";
-    Blockly.Arduino.functionNames_["submitValues"] =
-      `
+      Blockly.Arduino.variables_["latitude"] = "float latitude;";
+      Blockly.Arduino.variables_["longitude"] = "float longitude;";
+      Blockly.Arduino.functionNames_["submitValues"] =
+        `
       void submitValues(float lat, float lng, float altitude, char* timeStamp) {
     if (client.connected()) {
       client.stop();
@@ -211,8 +211,8 @@ Blockly.Arduino.sensebox_osem_connection = function (Block) {
     for (uint8_t timeout = 2; timeout != 0; timeout--) {
       Serial.println(F("connecting..."));
       connected = client.connect(_server, ` +
-      port +
-      `);
+        port +
+        `);
       if (connected == true) {
         // construct the HTTP POST request:
         sprintf_P(buffer,
@@ -240,18 +240,19 @@ Blockly.Arduino.sensebox_osem_connection = function (Block) {
       }
     }
   }`;
-    code = "";
-    code += branch;
-    code +=
-      "submitValues((" +
-      lat +
-      "/float(10000000)),(" +
-      lng +
-      "/float(10000000)),(" +
-      altitude +
-      "/float(100))," +
-      timestamp +
-      ");\n";
+      code = "";
+      code += branch;
+      code +=
+        "submitValues((" +
+        lat +
+        "/float(10000000)),(" +
+        lng +
+        "/float(10000000)),(" +
+        altitude +
+        "/float(100))," +
+        timestamp +
+        ");\n";
+    }
+    return code;
   }
-  return code;
 };
diff --git a/src/components/Blockly/msg/de/ui.js b/src/components/Blockly/msg/de/ui.js
index db7da8f..901d495 100644
--- a/src/components/Blockly/msg/de/ui.js
+++ b/src/components/Blockly/msg/de/ui.js
@@ -11,6 +11,7 @@ export const UI = {
   toolbox_functions: "Funktionen",
   toolbox_variables: "Variablen",
   toolbox_serial: "Seriell",
+  toolbox_advanced: "Erweitert",
   variable_NUMBER: "Zahl (int)",
   variable_SHORT_NUMBER: "char",
   variable_LONG: "große Zahl (long)",
diff --git a/src/components/Blockly/msg/en/ui.js b/src/components/Blockly/msg/en/ui.js
index 79708da..1b5323a 100644
--- a/src/components/Blockly/msg/en/ui.js
+++ b/src/components/Blockly/msg/en/ui.js
@@ -11,6 +11,7 @@ export const UI = {
   toolbox_functions: "Functions",
   toolbox_variables: "Variables",
   toolbox_serial: "Serial",
+  toolbox_advanced: "Erweitert",
   variable_NUMBER: "Number (int)",
   variable_SHORT_NUMBER: "char",
   variable_LONG: " Zahl (long)",
diff --git a/src/components/Blockly/toolbox/Toolbox.js b/src/components/Blockly/toolbox/Toolbox.js
index d39f711..c1869a2 100644
--- a/src/components/Blockly/toolbox/Toolbox.js
+++ b/src/components/Blockly/toolbox/Toolbox.js
@@ -405,10 +405,6 @@ class Toolbox extends React.Component {
           <Block type="sensebox_phyphox_channel"></Block>
           <Block type="sensebox_phyphox_sendchannel"></Block>
         </Category>
-        <Category name={Blockly.Msg.toolbox_serial} colour={getColour().serial}>
-          <Block type="init_serial_monitor"></Block>
-          <Block type="print_serial_monitor"></Block>
-        </Category>
         <Category
           id="webserver"
           name="Webserver"
@@ -617,7 +613,14 @@ class Toolbox extends React.Component {
           custom="PROCEDURE"
         ></Category>
         <sep></sep>
-        <Category name="Advanced" colour={getColour().io}>
+        <Category name={Blockly.Msg.toolbox_advanced} colour={getColour().io}>
+          <Category
+            name={Blockly.Msg.toolbox_serial}
+            colour={getColour().serial}
+          >
+            <Block type="init_serial_monitor"></Block>
+            <Block type="print_serial_monitor"></Block>
+          </Category>
           <Category name={Blockly.Msg.toolbox_io} colour={getColour().io}>
             <Block type="io_digitalwrite"></Block>
             <Block type="io_digitalread"></Block>