Fixed StringCharacters example

Author: cmaglie

examples/08.Strings/StringCharacters/StringCharacters.ino

@@ -29,7 +29,9 @@ void loop() {
 
   // the reading's most significant digit is at position 15 in the reportString:
   char mostSignificantDigit = reportString.charAt(15);
-  Serial.println("Most significant digit of the sensor reading is: " + mostSignificantDigit);
+
+  String message = "Most significant digit of the sensor reading is: "; 
+  Serial.println(message + mostSignificantDigit);
 
   // add blank space:
   Serial.println();