diff --git a/src/components/Blockly/blocks/index.js b/src/components/Blockly/blocks/index.js
index b4bf8fa..307c4f4 100644
--- a/src/components/Blockly/blocks/index.js
+++ b/src/components/Blockly/blocks/index.js
@@ -21,6 +21,7 @@ import "./procedures";
 import "./time";
 import "./variables";
 import "./lists";
+import "./watchdog";
 import "./webserver";
 
 import "../helpers/types";
diff --git a/src/components/Blockly/blocks/watchdog.js b/src/components/Blockly/blocks/watchdog.js
new file mode 100644
index 0000000..09ce26d
--- /dev/null
+++ b/src/components/Blockly/blocks/watchdog.js
@@ -0,0 +1,28 @@
+import Blockly from "blockly/core";
+import { getColour } from "../helpers/colour";
+
+Blockly.Blocks["watchdog_enable"] = {
+  init: function () {
+    this.appendDummyInput()
+      .appendField("Watchdog aktivieren")
+      .appendField(new Blockly.FieldTextInput("10000"), "TIME")
+      .appendField("ms");
+
+    this.setPreviousStatement(true, null);
+    this.setNextStatement(true, null);
+    this.setColour(getColour().io);
+    this.setTooltip("");
+    this.setHelpUrl("");
+  },
+};
+
+Blockly.Blocks["watchdog_reset"] = {
+  init: function () {
+    this.appendDummyInput().appendField("Watchdog zurücksetzen");
+    this.setPreviousStatement(true, null);
+    this.setNextStatement(true, null);
+    this.setColour(getColour().io);
+    this.setTooltip("");
+    this.setHelpUrl("");
+  },
+};
diff --git a/src/components/Blockly/generator/index.js b/src/components/Blockly/generator/index.js
index d2cb21e..f913c5a 100644
--- a/src/components/Blockly/generator/index.js
+++ b/src/components/Blockly/generator/index.js
@@ -22,4 +22,5 @@ import "./procedures";
 import "./time";
 import "./variables";
 import "./lists";
+import "./watchdog";
 import "./webserver";
diff --git a/src/components/Blockly/generator/watchdog.js b/src/components/Blockly/generator/watchdog.js
new file mode 100644
index 0000000..0f51766
--- /dev/null
+++ b/src/components/Blockly/generator/watchdog.js
@@ -0,0 +1,16 @@
+import * as Blockly from "blockly/core";
+
+Blockly.Arduino.watchdog_enable = function () {
+  var time = this.getFieldValue("TIME");
+
+  Blockly.Arduino.libraries_["Adafruit_sleepydog"] =
+    "#include <Adafruit_SleepyDog.h>";
+  Blockly.Arduino.setupCode_["watchdog_enable"] = `Watchdog.enable(${time});`;
+  var code = "";
+  return code;
+};
+
+Blockly.Arduino.watchdog_reset = function () {
+  var code = "Watchdog.reset();";
+  return code;
+};
diff --git a/src/components/Blockly/toolbox/Toolbox.js b/src/components/Blockly/toolbox/Toolbox.js
index 39e2095..8f71bbc 100644
--- a/src/components/Blockly/toolbox/Toolbox.js
+++ b/src/components/Blockly/toolbox/Toolbox.js
@@ -608,28 +608,34 @@ class Toolbox extends React.Component {
           custom="PROCEDURE"
         ></Category>
         <sep></sep>
-        <Category name={Blockly.Msg.toolbox_io} colour={getColour().io}>
-          <Block type="io_digitalwrite"></Block>
-          <Block type="io_digitalread"></Block>
-          <Block type="io_builtin_led"></Block>
-          <Block type="io_analogwrite"></Block>
-          <Block type="io_analogread"></Block>
-          <Block type="io_highlow"></Block>
-          <Block type="io_pulsein">
-            <Value name="PULSETYPE">
-              <Shadow type="io_highlow"></Shadow>
-            </Value>
-          </Block>
-          <Block type="io_pulsetimeout">
-            <Value name="PULSETYPE">
-              <Shadow type="io_highlow"></Shadow>
-            </Value>
-            <Value name="TIMEOUT">
-              <Shadow type="math_number">
-                <Field name="NUM">100</Field>
-              </Shadow>
-            </Value>
-          </Block>
+        <Category name="Advanced" colour={getColour().io}>
+          <Category name={Blockly.Msg.toolbox_io} colour={getColour().io}>
+            <Block type="io_digitalwrite"></Block>
+            <Block type="io_digitalread"></Block>
+            <Block type="io_builtin_led"></Block>
+            <Block type="io_analogwrite"></Block>
+            <Block type="io_analogread"></Block>
+            <Block type="io_highlow"></Block>
+            <Block type="io_pulsein">
+              <Value name="PULSETYPE">
+                <Shadow type="io_highlow"></Shadow>
+              </Value>
+            </Block>
+            <Block type="io_pulsetimeout">
+              <Value name="PULSETYPE">
+                <Shadow type="io_highlow"></Shadow>
+              </Value>
+              <Value name="TIMEOUT">
+                <Shadow type="math_number">
+                  <Field name="NUM">100</Field>
+                </Shadow>
+              </Value>
+            </Block>
+          </Category>
+          <Category name="Watchdog" colour={getColour().io}>
+            <Block type="watchdog_enable"></Block>
+            <Block type="watchdog_reset"></Block>
+          </Category>
         </Category>
         {/* this block is the initial block of the workspace; not necessary
                     to display, because it can only be used once anyway