diff --git a/src/tec/letsgoing/ardublock/simulator/arduino/Arduino.java b/src/tec/letsgoing/ardublock/simulator/arduino/Arduino.java
index 6411ff601d0819d58bd2023b800e98d070aef54f..a7885c95af9f6538675fd50d2ac61dc482ca0e8d 100644
--- a/src/tec/letsgoing/ardublock/simulator/arduino/Arduino.java
+++ b/src/tec/letsgoing/ardublock/simulator/arduino/Arduino.java
@@ -140,7 +140,6 @@ public class Arduino {
 				return true;
 			}
 		}
-
 		return false;
 	}
 
diff --git a/src/tec/letsgoing/ardublock/simulator/view/GUI.java b/src/tec/letsgoing/ardublock/simulator/view/GUI.java
index 3958abe40b3911f2e238cdc85a7c530cecb9d410..1bd83b49ffcd672b2ed68835bf76c77971302f16 100644
--- a/src/tec/letsgoing/ardublock/simulator/view/GUI.java
+++ b/src/tec/letsgoing/ardublock/simulator/view/GUI.java
@@ -321,18 +321,19 @@ public class GUI extends JFrame implements Runnable, ActionListener {
 	}
 
 	/**
-	 * Funktion welche die GUI aktualisiert und auf 144Hz ausgelegt ist.
+	 * Funktion welche die GUI aktualisiert und auf 20Hz ausgelegt ist.
 	 */
 	public void run() {
 		while (!stopFlag) {
 			try {
 				//Thread.sleep(7); // 144 Hz
-				Thread.sleep(17); //60 Hz
+				//Thread.sleep(17); //60 Hz
+				Thread.sleep(50); // 20 Hz 
 			} catch (InterruptedException e) {
 
 				// e.printStackTrace();
 			}
-			super.repaint();
+			repaint();
 		}
 	}
 
diff --git a/src/tec/letsgoing/ardublock/simulator/view/modules/Modul.java b/src/tec/letsgoing/ardublock/simulator/view/modules/Modul.java
index cee8b20e365adeacccc3184ac0f96b73ae4c906b..3a8ac0f9a63a6364c13f463287611d7f6f97df4d 100644
--- a/src/tec/letsgoing/ardublock/simulator/view/modules/Modul.java
+++ b/src/tec/letsgoing/ardublock/simulator/view/modules/Modul.java
@@ -18,6 +18,7 @@ import tec.letsgoing.ardublock.simulator.arduino.Pin;
  * 
  * @author Lucas
  *
+ *TODO: anpassen: Modul extends JLayerPane -> local layerpane löschen
  */
 public abstract class Modul implements Observer {
 	private boolean active = true;
@@ -52,7 +53,6 @@ public abstract class Modul implements Observer {
 					updateModul((Pin) Observable);
 			}
 		}
-
 	}
 
 	public abstract void updateModul(Pin pin);