diff --git a/src/display/Display.cpp b/src/display/Display.cpp
index 66bd818..d834ebc 100644
--- a/src/display/Display.cpp
+++ b/src/display/Display.cpp
@@ -138,8 +138,20 @@ void Display::print(char *value){
 	return;
 
 };
-void Display::println(char *value){
 
+void Display::flipOrientation(void){
+    if(this->orientationFlipped){
+        sendDisplayCMD(setComDirectionNormal);
+        sendDisplayCMD(setSegmentMap);
+    } else{
+        sendDisplayCMD(setComDirectionFlipped);
+        sendDisplayCMD(setSegmentReMap);
+    }
+    this->orientationFlipped = !this->orientationFlipped;
+}
+void Display::println(char *value){
+    this ->print(value);
+    this->print("\n");
 };
 void Display::print(int value){
     
diff --git a/src/display/Display.h b/src/display/Display.h
index b2be961..a9d61ae 100644
--- a/src/display/Display.h
+++ b/src/display/Display.h
@@ -21,14 +21,55 @@ class Display{
         uint8_t charsOnCurrLine = 0;
         //on which line are we currently printing
         uint8_t currLine = 0;
+        //flag that marks if the y-orientation is currently flipped
+        bool orientationFlipped = false;
+        /**
+         * @brief sends the passed cmd to the display, cmd_byte is added as prefix by the function
+         * 
+         * @param cmd the byte instruction that shold by sent 
+         */
         void sendDisplayCMD(uint8_t cmd);
+
+        /**
+         * @brief should be called whenever characters where printed to the display.
+         * Updates the data of the class to handle linebreaks correctly
+         * @param charAmount How many characters where added to the screen
+         */
         void updateLine(uint charAmount);
+
     public:
+        
+        /**
+         * @brief initializes the display datastructures and sents the required cmds to start the display. Should only be called once.
+         * @warning doesn't initalize the I²C bus itself, therefore wire.begin(1,2) must be called elsewhere, before this method.
+        */
         void begin(void);
+        
+        /**
+         * @brief delets all content from the display, resets the linecounter, new print will start at the top left. 
+         *      Orientationflip is not resetted
+        */
         void clear(void);
+        
+        /**
+         * @brief prints the passed string right behind the current displaycontent
+         * the sequence "\n" can be used to make a linebreak on the display
+         * 
+         * @param value the string "xyz" that should be printed to the display
+        */
         void print(char *value);
+
+        /**
+         * @brief same as the print method, but after the string a line break is inserted
+         * 
+         * @param value the string that should be printed
+        */
         void println(char *value);
         void print(int value);
+        /**
+         * @brief flips the horizontal orientation of all content on the display
+        */
+        void flipOrientation(void);
 };
 
 
diff --git a/src/infraredLight/InfraredLight.h b/src/infraredLight/InfraredLight.h
index d13390f..f088bb9 100644
--- a/src/infraredLight/InfraredLight.h
+++ b/src/infraredLight/InfraredLight.h
@@ -26,7 +26,6 @@ class InfraredLED{
         /**
          * @brief enables selected LED
          * 
-         * @param led 
          */
         void turnOn(void);
         /**