diff --git a/esp-videoswitcher.ino b/esp-videoswitcher.ino
index 0b27256..81149e3 100644
--- a/esp-videoswitcher.ino
+++ b/esp-videoswitcher.ino
@@ -11,6 +11,9 @@
 
 SoftwareSerial swSer(D2, D1);
 int currentnumber = 0;
+int inputbytes[4];
+String output = "";
+String output2 = "";
 
 HomieNode switchNode("switch", "switch");
 
@@ -44,9 +47,42 @@ void loop() {
 
   while (swSer.available() > 0) {
     int r1 = swSer.read();
+    Serial.print(currentnumber);
+    Serial.print(": ");
     Serial.print(r1);
     Serial.print(" ");
-    switchNode.setProperty("data").send(String(r1, DEC));
+    inputbytes[currentnumber] = r1;
+    
+    output += String(r1, DEC);
+    output += " ";
+    if (currentnumber == 3) {
+      switchNode.setProperty("data").send(output);
+      output2 = "";
+      output2 += "OUTPUT ";
+      output2 += String(inputbytes[2]-128, DEC);
+      output2 += " INPUT ";
+      output2 += String(inputbytes[1]-128, DEC);
+      switchNode.setProperty("switchevent").send(output2);
+      switchNode.setProperty("input").send(String(inputbytes[1]-128, DEC));
+      switchNode.setProperty("output").send(String(inputbytes[2]-128, DEC));      
+      // Einfache Interpretation
+//      Serial.print("Von ");
+//      Serial.print(String(inputbytes[2]-128, DEC));
+//      Serial.print(" zu ");
+//      Serial.println(String(inputbytes[1]-128, DEC));
+      currentnumber = 0;
+      inputbytes[0] = 0;
+      inputbytes[1] = 0;
+      inputbytes[2] = 0;
+      inputbytes[3] = 0;
+      output = "";
+
+    } else {
+      Serial.print(">");
+      Serial.print(currentnumber);
+      Serial.print("<");
+      currentnumber++;
+    }
   }
 //  while (Serial.available() > 0) {
 //    swSer.write(Serial.read());