diff --git a/examples/TM1650_example01/TM1650_example01.ino b/examples/TM1650_example01/TM1650_example01.ino
index 65ebc03..6ca0108 100644
--- a/examples/TM1650_example01/TM1650_example01.ino
+++ b/examples/TM1650_example01/TM1650_example01.ino
@@ -77,9 +77,37 @@ void loop()
     }
   }
 
-  
+  d.displayString("   A");
+  d.setPosition(0, SEG_A);
+  delay(1000);
+  d.displayString("   B");
+  d.setPosition(0, SEG_B);
+  delay(1000);
+  d.displayString("   C");
+  d.setPosition(0, SEG_C);
+  delay(1000);
+  d.displayString("   D");
+  d.setPosition(0, SEG_D);
+  delay(1000);
+  d.displayString("   E");
+  d.setPosition(0, SEG_E);
+  delay(1000);
+  d.displayString("   F");
+  d.setPosition(0, SEG_F);
+  delay(1000);
+  d.displayString("   G");
+  d.setPosition(0, SEG_G);
+  delay(1000);
+  d.displayString("  DP");
+  d.setPosition(0, SEG_DP);
+  delay(1000);
+
+  if (d.displayRunning("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz")) {
+    while (d.displayRunningShift()) delay(500);
+  }
+  delay(2000);
 }
 
 
 
-
+
diff --git a/keywords.txt b/keywords.txt
index 60bd352..04392bf 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -28,6 +28,7 @@ setPosition	KEYWORD2
 setDot	KEYWORD2
 getPosition	KEYWORD2
 getNumPositions	KEYWORD2
+displayChar KEYWORD2
 
 #######################################
 # Constants (LITERAL1)
diff --git a/src/TM1650.h b/src/TM1650.h
index f164fa9..36cf80f 100644
--- a/src/TM1650.h
+++ b/src/TM1650.h
@@ -27,6 +27,8 @@
 
 //#define TM1650_USE_PROGMEM
 
+#define REPLACE_NON_EXISTING_CHARACTERS
+
 #ifdef TM1650_USE_PROGMEM
     #if (defined(__AVR__))
       #include <avr\pgmspace.h>
@@ -49,6 +51,22 @@
 #define TM1650_MIN_BRIGHT	0
 #define TM1650_MAX_BRIGHT	7
 
+#define SEG_A   0b00000001
+#define SEG_B   0b00000010
+#define SEG_C   0b00000100
+#define SEG_D   0b00001000
+#define SEG_E   0b00010000
+#define SEG_F   0b00100000
+#define SEG_G   0b01000000
+#define SEG_DP  0b10000000
+//      A
+//     ---
+//  F |   | B
+//     -G-
+//  E |   | C
+//     ---
+//      D	. DP
+
 #ifndef TM1650_USE_PROGMEM
 const byte TM1650_CDigits[128] {
 #else
@@ -80,6 +98,7 @@ class TM1650 {
 	void	setBrightness(unsigned int aValue = TM1650_MAX_BRIGHT);
 	void	setBrightnessGradually(unsigned int aValue = TM1650_MAX_BRIGHT);
 	inline unsigned int getBrightness() { return iBrightness; };
+	void 	displayChar(char aString, int pos);
 
 	void	controlPosition(unsigned int aPos, byte aValue);
 	void	setPosition(unsigned int aPos, byte aValue);
@@ -263,6 +282,16 @@ void TM1650::displayString(char *aString)
 	  iBuffer[i] = TM1650_CDigits[a];
 #else
 	  iBuffer[i] = pgm_read_byte_near(TM1650_CDigits + a);
+#endif
+#ifdef REPLACE_NON_EXISTING_CHARACTERS
+	  if(a=='m'||a=='M'){
+		setPosition(i,SEG_E|SEG_F|SEG_A|SEG_B|SEG_C);
+	  } else if(a=='k'||a=='K'){
+		setPosition(i,SEG_E|SEG_F|SEG_G);
+	  } else if(a=='i') {
+		setPosition(i,SEG_C);
+	  } 
+	  else
 #endif
 	  if (a) {
 	    Wire.beginTransmission(TM1650_DISPLAY_BASE+i);
@@ -275,6 +304,34 @@ void TM1650::displayString(char *aString)
 	}
 }
 
+/** Display a single character on the display 
+ * aString = character array to be displayed
+ * i = digit position
+ *
+ * Internal buffer is updated as well
+ * Only first N positions of the string are displayed if
+ *  the string is longer than the number of digits
+ 	@new
+ */
+void TM1650::displayChar(char aString, int i)
+{
+	if (!iActive) return;
+	if(i<iNumDigits){
+	  byte a = ((byte) aString) & 0b01111111;
+	  byte dot = ((byte) aString) & 0b10000000;
+#ifndef TM1650_USE_PROGMEM	  
+	  iBuffer[i] = TM1650_CDigits[a];
+#else
+	  iBuffer[i] = pgm_read_byte_near(TM1650_CDigits + a);
+#endif
+	  if (a) {
+	    Wire.beginTransmission(TM1650_DISPLAY_BASE+i);
+	    Wire.write(iBuffer[i] | dot);
+	    Wire.endTransmission();
+	  }
+	}
+}
+
 /** Display string on the display in a running fashion
  * aString = character array to be displayed
  *