diff --git a/simulation/src/de/c3ma/ollo/mockup/ESP8266Node.java b/simulation/src/de/c3ma/ollo/mockup/ESP8266Node.java
index 1ff7824..efc1d86 100644
--- a/simulation/src/de/c3ma/ollo/mockup/ESP8266Node.java
+++ b/simulation/src/de/c3ma/ollo/mockup/ESP8266Node.java
@@ -34,6 +34,7 @@ public class ESP8266Node extends TwoArgFunction {
         final LuaTable node = new LuaTable();
         node.set("compile", new CompileFunction());
         node.set("restart", new RestartFunction());
+        node.set("heap", new HeapFunction());
         env.set("node", node);
         env.get("package").get("loaded").set("node", node);        
         return node;
@@ -73,6 +74,18 @@ public class ESP8266Node extends TwoArgFunction {
         
     }
     
+    private class HeapFunction extends ZeroArgFunction {
+
+        @Override
+        public LuaValue call() {
+            System.out.println("[Node] Heap");            
+            return LuaValue.valueOf(Runtime.getRuntime().freeMemory());
+        }
+        
+    }
+    
+
+    
     public void setWorkingDirectory(File workingDir) {
         this.workingDir = workingDir;        
     }
diff --git a/simulation/src/de/c3ma/ollo/mockup/ESP8266Tmr.java b/simulation/src/de/c3ma/ollo/mockup/ESP8266Tmr.java
index aa5e207..5802d18 100644
--- a/simulation/src/de/c3ma/ollo/mockup/ESP8266Tmr.java
+++ b/simulation/src/de/c3ma/ollo/mockup/ESP8266Tmr.java
@@ -34,6 +34,7 @@ public class ESP8266Tmr extends TwoArgFunction {
         tmr.set("stop", new stop());
         tmr.set("alarm", new alarm());
         tmr.set("create", new create());
+        tmr.set("wdclr", new watchDog());
         env.set("tmr", tmr);
         env.get("package").get("loaded").set("tmr", tmr);
         
@@ -127,6 +128,15 @@ public class ESP8266Tmr extends TwoArgFunction {
         }
     }
     
+    private class watchDog extends ZeroArgFunction {
+    	
+        public LuaValue call() {
+            System.out.println("[TMR] Watchdog fed");
+            return LuaValue.valueOf(true);   
+            
+        }
+    }
+    
     private class dynStop extends ZeroArgFunction {
     	private final int dynIndex;
     	public dynStop(int index) {