diff --git a/simulation/config.lua b/simulation/config.lua
index 48e04ba..07b77c9 100644
--- a/simulation/config.lua
+++ b/simulation/config.lua
@@ -10,4 +10,5 @@ color4=string.char(green, red, blue)
 
 colorBg=string.char(0,0,0) -- black is the default background color
 sntpserverhostname="ptbtime1.ptb.de"
-timezoneoffset=1
\ No newline at end of file
+timezoneoffset=1
+
diff --git a/simulation/src/de/c3ma/ollo/WS2812Simulation.java b/simulation/src/de/c3ma/ollo/WS2812Simulation.java
index 02a8557..073942d 100644
--- a/simulation/src/de/c3ma/ollo/WS2812Simulation.java
+++ b/simulation/src/de/c3ma/ollo/WS2812Simulation.java
@@ -72,7 +72,7 @@ public class WS2812Simulation implements LuaSimulation {
 		}
 	}
 
-	public static void main(String[] args) {
+	public static void main(final String[] args) {
 		SwingUtilities.invokeLater(new Runnable() {
 			@Override
 			public void run() {
@@ -100,9 +100,18 @@ public class WS2812Simulation implements LuaSimulation {
 									System.out.println("Integrate " + additionalFile.getName() + " into simulation");
 								} else {
 									System.err.println("Script " + args[2] + " cannot be found");
+									printUsage();
 									System.exit(1);
 								}
 							}
+							if (args.length >= 4) {
+							    try {
+							        ESP8266Tmr.gTimingFactor = Integer.parseInt(args[3]);
+							    } catch (NumberFormatException nfe) {
+							        System.err.println("Timing factor not parsable: " + nfe.getMessage());
+							        printUsage();
+							    }
+							}
 
 							simu.callScript(f.getName());
 						} catch (IOException e) {
@@ -128,7 +137,7 @@ public class WS2812Simulation implements LuaSimulation {
 	private static void printUsage() {
 		System.out.println("Usage:");
 		System.out.println("one argument required: file to execute.");
-		System.out.println(".e.g: init.lua");
+		System.out.println(".e.g: init.lua (ws2812 layout configuration) (additional LUA script) (timing speedup factor)");
 	}
 
 	@Override
diff --git a/simulation/src/de/c3ma/ollo/mockup/ESP8266Tmr.java b/simulation/src/de/c3ma/ollo/mockup/ESP8266Tmr.java
index 2b01e83..4c1782a 100644
--- a/simulation/src/de/c3ma/ollo/mockup/ESP8266Tmr.java
+++ b/simulation/src/de/c3ma/ollo/mockup/ESP8266Tmr.java
@@ -21,6 +21,8 @@ public class ESP8266Tmr extends TwoArgFunction {
     private static final int MAXTHREADS = 7;
     
     private static LuaThreadTmr[] allThreads = new LuaThreadTmr[MAXTHREADS];
+
+    public static int gTimingFactor = 1;
     
     @Override
     public LuaValue call(LuaValue modname, LuaValue env) {
@@ -77,13 +79,14 @@ public class ESP8266Tmr extends TwoArgFunction {
                     System.err.println("[TMR] Timer" + timerNumer + " stopped");
                 }
                 
-                allThreads[timerNumer] = new LuaThreadTmr(timerNumer, code, (endlessloop == 1), delay);
+                /* The cycletime is at least 1 ms */
+                allThreads[timerNumer] = new LuaThreadTmr(timerNumer, code, (endlessloop == 1), Math.max(delay / gTimingFactor, 1));
                 allThreads[timerNumer].start();
             }
             return LuaValue.valueOf(true);
         }
     }
-
+    
     public void stopAllTimer() {
         for (int i = 0; i < allThreads.length; i++) {
             stopTmr(i);
diff --git a/simulation/src/de/c3ma/ollo/mockup/ESP8266Ws2812.java b/simulation/src/de/c3ma/ollo/mockup/ESP8266Ws2812.java
index 3cdbde1..a6fc6c3 100644
--- a/simulation/src/de/c3ma/ollo/mockup/ESP8266Ws2812.java
+++ b/simulation/src/de/c3ma/ollo/mockup/ESP8266Ws2812.java
@@ -52,9 +52,9 @@ public class ESP8266Ws2812 extends TwoArgFunction {
 		public LuaValue call(LuaValue arg) {
 			if (arg.isstring()) {
 				LuaString jstring = arg.checkstring();
-				int length = jstring.rawlen();
+				final int length = jstring.rawlen();
 				if ((length % 3) == 0) {
-					byte[] array = jstring.m_bytes;
+					final byte[] array = jstring.m_bytes;
 					SwingUtilities.invokeLater(new Runnable() {
 						@Override
 						public void run() {