diff --git a/src/main.cpp b/src/main.cpp
index 5ec2d45..26254c2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -25,8 +25,6 @@
 #include "routes/networks.h"
 #include "routes/status.h"
 
-// DMXESPSerial dmx1;
-// DMXESPSerial dmx2;
 dmx_port_t dmx1 = DMX_NUM_0; // for esp32s2
 dmx_port_t dmx2 = DMX_NUM_1;
 byte dmx1_data[DMX_PACKET_SIZE];
@@ -196,15 +194,8 @@ void setup()
     direction1 = static_cast<Direction>(config.getUInt("direction-1", DEFAULT_DIRECTION1));
     direction2 = static_cast<Direction>(config.getUInt("direction-2", DEFAULT_DIRECTION2));
 
-    Serial.print("Port A: Universe ");
-    Serial.print(universe1);
-    Serial.print(" ");
-    Serial.println((direction1 == Input) ? "DMX -> Art-Net" : "Art-Net -> DMX");
-
-    Serial.print("Port B: Universe ");
-    Serial.print(universe2);
-    Serial.print(" ");
-    Serial.println((direction2 == Input) ? "DMX -> Art-Net" : "Art-Net -> DMX");
+    Serial.printf("Port A: Universe %d %s\n", universe1, (direction1 == Input) ? "DMX -> Art-Net" : "Art-Net -> DMX");
+    Serial.printf("Port B: Universe %d %s\n", universe2, (direction2 == Input) ? "DMX -> Art-Net" : "Art-Net -> DMX");
 
     Connection connection = static_cast<Connection>(config.getUInt("connection", DEFAULT_CONNECTION));
     IpMethod ipMethod = static_cast<IpMethod>(config.getUInt("ip-method"), DEFAULT_IP_METHOD);
@@ -322,44 +313,21 @@ void setup()
     Serial.println("Initialize DMX...");
 
 #ifdef CONFIG_IDF_TARGET_ESP32S2
-    // dmx1.init(21, 33, Serial0);
-    // dmx2.init(17, 18, Serial1);
-
-    Serial.print("DMX driver 1 installed: ");
-    Serial.println(dmx_driver_is_installed(dmx1));
-
-    Serial.print("DMX driver 2 installed: ");
-    Serial.println(dmx_driver_is_installed(dmx2));
 
     dmx_config_t dmx_config = DMX_CONFIG_DEFAULT;
-
     dmx_personality_t personalities[] = {};
-    /*dmx_personality_t personalities[] = {
-        {1, "Default Personality"}
-    };*/
-    /*int personality_count = 1;*/
     int personality_count = 0;
+
     dmx_driver_install(dmx1, &dmx_config, personalities, personality_count);
     dmx_set_pin(dmx1, 21, 33, -1);
     dmx_driver_install(dmx2, &dmx_config, personalities, personality_count);
     dmx_set_pin(dmx2, 17, 18, -1);
 
-    Serial.print("DMX driver 1 installed: ");
-    Serial.println(dmx_driver_is_installed(dmx1));
+    Serial.printf("DMX driver 1 installed: %d\n", dmx_driver_is_installed(dmx1));
+    Serial.printf("DMX driver 2 installed: %d\n", dmx_driver_is_installed(dmx2));
 
-    Serial.print("DMX driver 2 installed: ");
-    Serial.println(dmx_driver_is_installed(dmx2));
-
-    Serial.print("DMX driver 1 enabled: ");
-    Serial.println(dmx_driver_is_enabled(dmx1));
-
-    Serial.print("DMX driver 2 enabled: ");
-    Serial.println(dmx_driver_is_enabled(dmx2));
-
-    // TX/RX Pins und Serial0/Serial1 ausgeben
-
-    /* Now set the DMX hardware pins to the pins that we want to use and setup
-      will be complete! */
+    Serial.printf("DMX driver 1 enabled: %d\n", dmx_driver_is_enabled(dmx1));
+    Serial.printf("DMX driver 2 enabled: %d\n", dmx_driver_is_enabled(dmx2));
 
 #else
     dmx1.init(21, 33, Serial1);
@@ -373,7 +341,6 @@ void setup()
     // if Artnet packet comes to this universe, this function is called
     if (direction1 == Output)
     {
-        Serial.println("DMX1 as out");
         artnet.subscribeArtDmxUniverse(universe1, [&](const uint8_t *data, uint16_t size, const ArtDmxMetadata &metadata, const ArtNetRemoteInfo &remote)
                                        {
             dmx_write_offset(dmx1, 1, data, size);
@@ -383,7 +350,6 @@ void setup()
 
     if (direction2 == Output)
     {
-        Serial.println("DMX2 as out");
         artnet.subscribeArtDmxUniverse(universe2, [&](const uint8_t *data, uint16_t size, const ArtDmxMetadata &metadata, const ArtNetRemoteInfo &remote)
                                        {
             dmx_write_offset(dmx2, 1, data, size);