CmdMessenger is a serial port messaging library for the Arduino Platform (and .NET/Mono platform). The library can - Both send and receive of commands - Both write and read multiple arguments - Both write and read all primary data types - Attach callback functions any received command - Interact with WinForms The library supports any primary data types, and zero to many multiple arguments. Arguments can either be sent in plain text (to be human readable) or in binary form (to be efficient).