message: Example: SerialControlleSDWriter: improve comments
diff: @@ -118,9 +118,9 @@ void setup() {
  setConfiguration(INPUT_MICJACK); //this will also unmute the system
  //prepare the SD writer for the format that we want and any error statements
  - audioSDWriter.setSerial(&myTympan);
  - audioSDWriter.setWriteDataType(AudioSDWriter::WriteDataType::INT16); //this is the built-in the default, but here you could change it to FLOAT32
  - audioSDWriter.setNumWriteChannels(2); //this is also the defaullt, but you could set it to 2
  + audioSDWriter.setSerial(&myTympan); //the library will print any error info to this serial stream (note that myTympan is also a serial stream)
  + audioSDWriter.setWriteDataType(AudioSDWriter::WriteDataType::INT16); //this is the built-in default, but here you could change it to FLOAT32
  + audioSDWriter.setNumWriteChannels(2); //this is also the built-in defaullt, but you could change it to 4 (maybe?), if you wanted 4 channels.
  //End of setup
  BOTH_SERIAL.println("Setup: complete."); serialManager.printHelp();
  