diff --git a/ledy.ino b/ledy.ino
index 69bf395..599faab 100644
--- a/ledy.ino
+++ b/ledy.ino
@@ -5,7 +5,7 @@
 #include "config.h"
 #include "index.h"
 #include "fonts.h"
-#include "lowLevel.ino"
+#include "lowLevel.h"
 
 #ifdef __AVR__
  #include <avr/power.h> // Required for 16 MHz Adafruit Trinket
@@ -20,7 +20,7 @@ void setup()
 
   pixels.begin();
   pixels.clear();
-
+  drawCharacter(font7x5['A' - '!'], 7, 5, 0x00010101, &cursor1);
   pixels.show();
   start_server();
 }
diff --git a/lowLevel.h b/lowLevel.h
new file mode 100644
index 0000000..6ec5f90
--- /dev/null
+++ b/lowLevel.h
@@ -0,0 +1,22 @@
+#ifndef LOWLEVEL_H
+#define LOWLEVEL_H
+
+#include <Adafruit_NeoPixel.h>
+#include "config.h"
+#include "structs.h"
+
+extern Adafruit_NeoPixel pixels;
+extern unsigned char saved_images_count;
+extern Cursor cursor1;
+extern uint32_t saved_imaged[2][16][16];
+
+// Function declarations
+void setPixel(unsigned short x, unsigned short y, uint32_t color);
+uint32_t getPixelColor(unsigned short x, unsigned short y);
+void drawImageFromSaved(unsigned short offset_x, unsigned short offset_y, unsigned char i);
+void drawCharacter(const bool (*character)[5], unsigned char height, unsigned char width, uint32_t color, Cursor (*used_cursor));
+void fillPixels(unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, uint32_t color);
+void shiftGivenRectangle(unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, unsigned char shift_by);
+
+#endif // LOWLEVEL_H
+
diff --git a/lowLevel.ino b/lowLevel.ino
index 586dc02..c495692 100644
--- a/lowLevel.ino
+++ b/lowLevel.ino
@@ -1,8 +1,6 @@
-#include "config.h"
-#include "structs.h"
+#include "lowLevel.h"
 
 unsigned char saved_images_count = 0;
-
 Cursor cursor1;
 
 uint32_t saved_imaged[2][16][16] =
@@ -90,8 +88,8 @@ void drawImageFromSaved(unsigned short offset_x, unsigned short offset_y, unsign
       }
       unsigned short pixel_x = col + offset_x;
       unsigned short pixel_y = row + offset_y;
-      
-      if (pixel_x >= 0 && pixel_x < NUMPIXELS && 
+
+      if (pixel_x >= 0 && pixel_x < NUMPIXELS &&
           pixel_y >= 0 && pixel_y < NUMPIXELS)
       {
         setPixel(pixel_x, pixel_y, px_color);
@@ -108,10 +106,10 @@ void drawCharacter(const bool (*character)[5], unsigned char height, unsigned ch
     {
       if (character[row][col])
       {
-        unsigned short pixel_x = col + used_cursor.x;
-        unsigned short pixel_y = row + used_cursor.y;
-        
-        if (pixel_x >= 0 && pixel_x < NUMPIXELS && 
+        unsigned short pixel_x = col + used_cursor->x;
+        unsigned short pixel_y = row + used_cursor->y;
+
+        if (pixel_x >= 0 && pixel_x < NUMPIXELS &&
             pixel_y >= 0 && pixel_y < NUMPIXELS)
         {
           setPixel(pixel_x, pixel_y, color);
@@ -119,7 +117,7 @@ void drawCharacter(const bool (*character)[5], unsigned char height, unsigned ch
       }
     }
   }
-  used_cursor.x += width + 1;
+  used_cursor->x += width + 1;
 }
 
 void fillPixels(unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, uint32_t color)
@@ -171,4 +169,6 @@ void shiftGivenRectangle(unsigned short x1, unsigned short y1, unsigned short x2
       setPixel(x1 + j, y1 + i, 0x00000000);
     }
   }
-}
\ No newline at end of file
+}
+
+
diff --git a/structs.h b/structs.h
index cebb202..4307f43 100644
--- a/structs.h
+++ b/structs.h
@@ -1,3 +1,6 @@
+#ifndef STRUCTS_H
+#define STRUCTS_H
+
 #include "config.h"
 
 struct Cursor
@@ -32,3 +35,6 @@ struct Text
 
   Text() : color(0), pos_x(0), pos_y(0), character_count(0), characterSize({7,5}), deleted(true) {}
 };
+
+#endif // STRUCTS_H
+