diff --git a/ArduinoLog.cpp b/ArduinoLog.cpp
index f8ae7e8..4667cdb 100644
--- a/ArduinoLog.cpp
+++ b/ArduinoLog.cpp
@@ -163,6 +163,13 @@ void Logging::print(const char *format, va_list args) {
 #endif
 }
 
+void Logging::print(const char c, va_list args) 
+{
+#ifndef DISABLE_LOGGING
+   _logOutput->print(c);
+#endif
+}
+
 void Logging::printFormat(const char format, va_list *args) {
 #ifndef DISABLE_LOGGING
 	if (format == '\0') return;
@@ -196,11 +203,11 @@ void Logging::printFormat(const char format, va_list *args) {
 	{		
 		_logOutput->print("0x");
 		//_logOutput->print(va_arg(*args, int), HEX);
-	    uint16_t h = (uint16_t) va_arg( *args, int );
-        if (h<0xFFF) _logOutput->print('0');
-        if (h<0xFF ) _logOutput->print('0');
-        if (h<0xF  ) _logOutput->print('0');
-        _logOutput->print(h,HEX);
+	   uint16_t h = (uint16_t) va_arg( *args, int );
+      if (h <= 0xF) _logOutput->print('0');
+      else if (h <= 0xFF); // Do nothing
+      else if (h <= 0xFFF) _logOutput->print('0');
+      _logOutput->print(h,HEX);
 	}
 	else if (format == 'p')
 	{		
@@ -220,15 +227,26 @@ void Logging::printFormat(const char format, va_list *args) {
 	{
 		_logOutput->print(va_arg(*args, long), DEC);
 	}
+   else if (format == 'L')
+   {
+      _logOutput->print("0x");
+		//_logOutput->print(va_arg(*args, int), HEX);
+	   uint32_t h = (uint32_t) va_arg( *args, long );
+      if (h <= 0xF) _logOutput->print('0');
+      else if (h <= 0xFF); // Do nothing
+      else if (h <= 0xFFF) _logOutput->print('0');
+      else if (h <= 0xFFFF); // Do nothing
+      else if (h <= 0xFFFFF) _logOutput->print('0');
+      else if (h <= 0xFFFFFF); // Do nothing
+      else if (h <= 0xFFFFFFF) _logOutput->print('0');
+      _logOutput->print(h, HEX);
+   }
 	else if (format == 'u')
 	{
 		_logOutput->print(va_arg(*args, unsigned long), DEC);
 	}
 	else if (format == 'c')
 	{
-		_logOutput->print((char) va_arg(*args, int));
-	}
-	else if( format == 'C' ) {
 		char c = (char) va_arg( *args, int );
 		if (c>=0x20 && c<0x7F) {
 			_logOutput->print(c);
@@ -237,7 +255,13 @@ void Logging::printFormat(const char format, va_list *args) {
 			if (c<0xF) _logOutput->print('0');
 			_logOutput->print(c, HEX);
 		}
-    }
+	}
+	else if( format == 'C' ) {
+      // _logOutput->print("0x");
+		char c = (char) va_arg( *args, int );
+      if (c <= 0xF) _logOutput->print('0');
+		_logOutput->print(c, HEX);
+   }
 	else if(format == 't')
 	{
 		if (va_arg(*args, int) == 1)
diff --git a/ArduinoLog.h b/ArduinoLog.h
index b51bb52..5a79431 100644
--- a/ArduinoLog.h
+++ b/ArduinoLog.h
@@ -324,6 +324,8 @@ class Logging
 private:
 	void print(const char *format, va_list args);
 
+   void print(const char c, va_list args);
+
 	void print(const __FlashStringHelper *format, va_list args);
 
 	void print(const Printable& obj, va_list args)