diff --git a/12x16_horizontal_LSB_1.h b/12x16_horizontal_LSB_1.h
index 7a31197..19339c0 100644
--- a/12x16_horizontal_LSB_1.h
+++ b/12x16_horizontal_LSB_1.h
@@ -1,6 +1,6 @@
 //taken from : http://www.mikrocontroller.net/topic/54860
 
-const uint8_t font_12x16[] PROGMEM = {
+const char font_12x16[] PROGMEM = {
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,	// 0x00
 0x0E,0x00,0x31,0x80,0x40,0x40,0x40,0x40,0x9B,0x20,0x9B,0x20,0x80,0x20,0x80,0x20,0x91,0x20,0x8E,0x20,0x40,0x40,0x40,0x40,0x31,0x80,0x0E,0x00,0x00,0x00,0x00,0x00,	// 0x01
 0x0E,0x00,0x3F,0x80,0x7F,0xC0,0x7F,0xC0,0xE4,0xE0,0xE4,0xE0,0xFF,0xE0,0xFF,0xE0,0xEE,0xE0,0xF1,0xE0,0x7F,0xC0,0x7F,0xC0,0x3F,0x80,0x0E,0x00,0x00,0x00,0x00,0x00,	// 0x02
diff --git a/8x8_horizontal_LSB_1.h b/8x8_horizontal_LSB_1.h
index 93b4cd6..0fba522 100644
--- a/8x8_horizontal_LSB_1.h
+++ b/8x8_horizontal_LSB_1.h
@@ -1,6 +1,6 @@
 //taken from : http://www.mikrocontroller.net/topic/54860
 
-const uint8_t font_8x8[] PROGMEM = {
+const char font_8x8[] PROGMEM = {
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,	// 0x00
 0x7E,0x81,0xA5,0x81,0xBD,0x99,0x81,0x7E,	// 0x01
 0x7E,0xFF,0xDB,0xFF,0xC3,0xE7,0xFF,0x7E,	// 0x02
diff --git a/include/adc.c b/include/adc.c
index 0bb35e0..3fc1cc6 100644
--- a/include/adc.c
+++ b/include/adc.c
@@ -3,6 +3,7 @@
 
 uint16_t readADC(uint8_t channel) {
 	uint16_t result;
+	uint8_t i;
 
 	//ADC aktiv, Prescaler 16
 	ADCSRA = (1 << ADEN) | (1 << ADPS2);
@@ -17,10 +18,14 @@ uint16_t readADC(uint8_t channel) {
 	ADCSRA |= (1 << ADSC);
 	while(ADCSRA & (1 << ADSC));
 
+	result = 0;
 
+	for(i = 0; i < ADC_READ_CYCELS; i++) {
 		ADCSRA |= (1 << ADSC);
 		while(ADCSRA & (1 << ADSC));
-		result = ADCW;
+		result += ADCW / ADC_READ_CYCELS;
+		_delay_us(1);
+	}
 
 	//ADC aus
 	ADCSRA &= ~(1 << ADEN);
diff --git a/include/adc.h b/include/adc.h
index 077b243..eb93e22 100644
--- a/include/adc.h
+++ b/include/adc.h
@@ -6,6 +6,8 @@
 #include <inttypes.h>
 
 
+#define ADC_READ_CYCELS 5
+
 uint16_t readADC(uint8_t channel);
 
 #endif /* ADC_H */
diff --git a/include/lc7981.c b/include/lc7981.c
index 37954e1..d48f07b 100644
--- a/include/lc7981.c
+++ b/include/lc7981.c
@@ -187,16 +187,16 @@ uint8_t c,tmp,x,y;
 
 
 	if(lcd_mode == LCD_TEXT) {
-		c = 0;
-		while(!(*txt == 0)) {
+		c = 0; //variable to count the chars in the current line
+		while(!(*txt == 0)) { //loop through the string
 
-			if(*txt == '\n' || c == LCD_TEXT_COLUMNS) {
-				if(lcd_curline < LCD_TEXT_LINES - 1) {
+			if(*txt == '\n' || c == LCD_TEXT_COLUMNS) { //linebreak if //n or if a line is too long
+				if(lcd_curline < LCD_TEXT_LINES - 1) { //next line
 					lcd_curline++;
 					c = 0;
 					lcd_gotoxy(0,lcd_curline);
 				}
-				else {
+				else { //scroll up
 					for(y = 1; y < LCD_TEXT_LINES; y++ ) {
 						for(x = 0; x < LCD_TEXT_COLUMNS; x++) {
 							lcd_gotoxy(x,y);
@@ -205,7 +205,7 @@ uint8_t c,tmp,x,y;
 							lcd_write_command(0x0C,tmp);
 						}
 					}
-					for(x = 0; x < LCD_TEXT_COLUMNS; x++) {
+					for(x = 0; x < LCD_TEXT_COLUMNS; x++) { //free the last line
 						lcd_write_command(0x0C,' ');
 					}
 					lcd_gotoxy(0,LCD_TEXT_LINES-1);
@@ -213,7 +213,7 @@ uint8_t c,tmp,x,y;
 				}
 			}
 
-			if(*txt != '\n') {
+			if(*txt != '\n') { //write the character
 				lcd_write_command(0x0C,*txt);
 				c++;
 			}
@@ -291,13 +291,15 @@ uint8_t xr;
  * This function is dedicated to Greta, one of the most important persons in my life so far.\n
  *
  */
-void lcd_plot_bitmap(uint8_t x_off, uint8_t y_off, const uint8_t *bitmap, uint8_t w, uint8_t h) {
+void lcd_plot_bitmap(uint8_t x_off, uint8_t y_off, PGM_P bitmap, uint8_t w, uint8_t h) {
 uint8_t x,y,cur,curs,sr,dr;
 uint16_t pos;
 
 	//check if the bitmap fits on the display
 	if((x_off <= LCD_GRAPHIC_WIDTH - 1) && (y_off <= LCD_GRAPHIC_HEIGHT - 1)
 		&& (x_off + w <= LCD_GRAPHIC_WIDTH - 1) && (y_off + h <= LCD_GRAPHIC_HEIGHT - 1)) {
+		curs = 0;
+		dr = 0;
 		//loop linewise through the bitmap
 		for(y = y_off; y < y_off + h; y++) {
 			cur = 0;
@@ -359,8 +361,8 @@ uint16_t pos;
  * @param font pointer to the flash area where the font is stored
  *
  */
-inline void lcd_plot_char(uint8_t x_off, uint8_t y_off, uint8_t c, uint8_t fw, uint8_t fh, const uint8_t* font) {
-const uint8_t *letter;
+inline void lcd_plot_char(uint8_t x_off, uint8_t y_off, uint8_t c, uint8_t fw, uint8_t fh, PGM_P font) {
+PGM_P letter;
 uint8_t fsize;
 
 	fsize = fh * fw / 8;
@@ -383,7 +385,7 @@ uint8_t fsize;
  *
  * @see lcd_plot_char
  */
-void lcd_plot_text(uint8_t x_off, uint8_t y_off, const char *text, uint8_t fw, uint8_t fh, const uint8_t *font) {
+void lcd_plot_text(uint8_t x_off, uint8_t y_off, const char *text, uint8_t fw, uint8_t fh, PGM_P font) {
 
 while(*text) {
 	lcd_plot_char(x_off,y_off,(uint8_t) *text,fw,fh,font);
@@ -394,10 +396,17 @@ while(*text) {
 
 }
 
-void lcd_plot_pgmtext(uint8_t x_off, uint8_t y_off, const char *text, uint8_t fw, uint8_t fh, const uint8_t *font) {
-
-
+void lcd_plot_pgmtext(uint8_t x_off, uint8_t y_off, PGM_P text, uint8_t fw, uint8_t fh, PGM_P font) {
+    uint8_t c;
 
+	c = pgm_read_byte (text);
+	while (c != 0)
+    {
+		lcd_plot_char(x_off,y_off,c,fw,fh,font);
+		x_off += fw;
+		text++;
+       	c = pgm_read_byte (text);
+    }
 }
 
 
diff --git a/include/lc7981.h b/include/lc7981.h
index d636876..78b1b2b 100644
--- a/include/lc7981.h
+++ b/include/lc7981.h
@@ -74,10 +74,11 @@ void lcd_write_text(char *txt);
 inline void lcd_gotoxy(uint8_t x, uint8_t y);
 
 void lcd_plot_pixel(uint8_t x, uint8_t y, uint8_t set);
-void lcd_plot_bitmap(uint8_t x, uint8_t y, const uint8_t *bitmap, uint8_t w, uint8_t h);
+void lcd_plot_bitmap(uint8_t x, uint8_t y, PGM_P bitmap, uint8_t w, uint8_t h);
 
-inline void lcd_plot_char(uint8_t x_off, uint8_t y_off, uint8_t c, uint8_t fw, uint8_t fh, const uint8_t* font);
-void lcd_plot_text(uint8_t x_off, uint8_t y_off, const char *text, uint8_t fw, uint8_t fh, const uint8_t *font);
+inline void lcd_plot_char(uint8_t x_off, uint8_t y_off, uint8_t c, uint8_t fw, uint8_t fh, PGM_P font);
+void lcd_plot_text(uint8_t x_off, uint8_t y_off, const char *text, uint8_t fw, uint8_t fh, PGM_P font);
+void lcd_plot_pgmtext(uint8_t x_off, uint8_t y_off, PGM_P text, uint8_t fw, uint8_t fh, PGM_P font);
 
 
 inline void lcd_strobe();
diff --git a/main.c b/main.c
index e2eb0ce..c355d3d 100644
--- a/main.c
+++ b/main.c
@@ -30,7 +30,8 @@ int main() {
 
 
 		lcd_plot_text(5,5,"Hello",16,16,font_12x16);
-		lcd_plot_text(50,22,"World",16,16,font_12x16);
+		lcd_plot_pgmtext(50,22,PSTR("World"),16,16,font_12x16);
+
 
 		while(!touch_is_pressed());
 
diff --git a/writing_demo.c b/writing_demo.c
index 103fb6f..c5f4dbe 100644
--- a/writing_demo.c
+++ b/writing_demo.c
@@ -11,7 +11,6 @@
 
 
 void writing_demo() {
-	uint8_t i;
 	uint16_t x,y;
 
 	lcd_clear();
@@ -23,15 +22,11 @@ void writing_demo() {
 			x = touch_readX();
 			y = touch_readY();
 
-			lcd_plot_pixel(x-1,y+1,PIXEL_ON);
 			lcd_plot_pixel(x,y+1,PIXEL_ON);
-			lcd_plot_pixel(x+1,y+1,PIXEL_ON);
-			lcd_plot_pixel(x-1,y,PIXEL_ON);
 			lcd_plot_pixel(x,y,PIXEL_ON);
+			lcd_plot_pixel(x+1,y+1,PIXEL_ON);
 			lcd_plot_pixel(x+1,y,PIXEL_ON);
-			lcd_plot_pixel(x-1,y-1,PIXEL_ON);
-			lcd_plot_pixel(x,y-1,PIXEL_ON);
-			lcd_plot_pixel(x+1,y-1,PIXEL_ON);
+
 
 		}
 			_delay_ms(1);