diff --git a/bunti_server/src/main/java/de/ctdo/bunti/artnet/.gitignore b/bunti_server/src/main/java/de/ctdo/bunti/artnet/.gitignore
new file mode 100644
index 0000000..4144361
--- /dev/null
+++ b/bunti_server/src/main/java/de/ctdo/bunti/artnet/.gitignore
@@ -0,0 +1 @@
+/SimpleArtNetSenderImpl.java
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/artnet/SimpleArtNetSenderImpl.java b/bunti_server/src/main/java/de/ctdo/bunti/artnet/SimpleArtNetSenderImpl.java
deleted file mode 100644
index 87a8c74..0000000
--- a/bunti_server/src/main/java/de/ctdo/bunti/artnet/SimpleArtNetSenderImpl.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package de.ctdo.bunti.artnet;
-
-import java.util.Map;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
-
-
-import de.ctdo.bunti.artnet.packets.ArtDmxPacket;
-
-@Component
-public class SimpleArtNetSenderImpl implements SimpleArtNetSender {
-	
-	private ArtNetSocket socket;
-	private int sequence = 0;
-	
-	@Autowired
-	public void setSocket(ArtNetSocket socket) {
-		this.socket = socket;
-	}
-
-	@Override
-	public void sendDMXData(Map<Integer,Integer> dmxdata, String adr) {
-
-		ArtDmxPacket packet = new ArtDmxPacket();
-		int size = dmxdata.size();
-		
-		byte[] arr = new byte[size];
-		
-		for (int i = 0; i < dmxdata.size(); i++) {
-			arr[i] = (byte)(dmxdata.get(i) & 0xff);
-		}
-		
-		packet.setSequenceID(sequence++);
-		packet.setDMX(arr, arr.length);
-		packet.setUniverse(0, 0);
-        
-        socket.unicastPacket(packet, adr);
-            
-    }
-}
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/artnet/packets/ArtDmxPacket.java b/bunti_server/src/main/java/de/ctdo/bunti/artnet/packets/ArtDmxPacket.java
index 4f93f20..18e736d 100644
--- a/bunti_server/src/main/java/de/ctdo/bunti/artnet/packets/ArtDmxPacket.java
+++ b/bunti_server/src/main/java/de/ctdo/bunti/artnet/packets/ArtDmxPacket.java
@@ -19,7 +19,6 @@
 
 package de.ctdo.bunti.artnet.packets;
 
-
 public class ArtDmxPacket extends ArtNetPacket {
 
     private int numChannels;
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMX.java b/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMX.java
index 84b4c2b..e54a0df 100644
--- a/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMX.java
+++ b/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMX.java
@@ -2,9 +2,9 @@ package de.ctdo.bunti.dmx;
 
 public class DMX {
 
-	public static int DMX_CHANNELS_MAX = 511;
+	public static int DMX_CHANNELS_MAX = (byte) 511;
 	public static int DMX_CHANNELS_MIN = 0;
-	public static int DMX_CHANNEL_VALUE_MAX = 255;
+	public static int DMX_CHANNEL_VALUE_MAX = (byte) 255;
 	public static int DMX_CHANNEL_VALUE_MIN = 0;
 	
 	/** 
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMXMixerImpl.java b/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMXMixerImpl.java
index 9263ff7..92e7ded 100644
--- a/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMXMixerImpl.java
+++ b/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMXMixerImpl.java
@@ -6,8 +6,10 @@ import java.util.Map;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationListener;
+
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
@@ -16,6 +18,7 @@ import de.ctdo.bunti.artnet.SimpleArtNetSender;
 import de.ctdo.bunti.model.*;
 
 @Component
+
 public class DMXMixerImpl implements DMXMixer, ApplicationListener<DeviceChangedEvent> {
 	private final Logger logger = LoggerFactory.getLogger(getClass());
 	private final String ARTNET_DEVICE_ADDRESS = "192.168.0.90";
@@ -29,12 +32,14 @@ public class DMXMixerImpl implements DMXMixer, ApplicationListener<DeviceChanged
 		this.artNetSender = artNetSender;
 	}
 
+
 	public void initDMXData() {
 		for (int i = 0; i <= DMX.DMX_CHANNELS_MAX; i++) {
 			dmxMap.put(i, 0);
 		}
 	}
 
+
 	@Scheduled(fixedDelay=100) //TODO aendern auf 10ms
 	public void sendOutDMXBuffer() {	
 		if( dmxMap.size() == 0) initDMXData();
@@ -54,7 +59,6 @@ public class DMXMixerImpl implements DMXMixer, ApplicationListener<DeviceChanged
 			
 			dmxMap.putAll(dmxDev.getChannelData());
 			
-			
 			logger.info("setValuesFromOptions on " + device);
 		} else {
 			logger.info("setValuesFromOptions on " + device + " failed");
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java b/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java
index ae33fc4..07ba5cf 100644
--- a/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java
+++ b/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java
@@ -130,7 +130,7 @@ public abstract class BuntiDMXDevice extends BuntiDevice {
 			
 			if(channel != null) {
 				try {
-					int value = Integer.parseInt(opt.getValue().toString());
+					byte value = Byte.parseByte(opt.getValue().toString());
 					
 					setChannelValueByName(channel.getName(), value);