PC COM ports, USB virtual COM ports, and ports in embedded systems are
all addressed in this updated guide to programming, interfacing, and
using serial ports. Topics include using .NET's SerialPort class for
COM-port communications on PCs; upgrading existing RS-232 designs to USB
or wireless networks; and creating serial networks of embedded systems
and PCs. Example circuits and code provide a quick start to projects.
Installation and maintenance staff will also find tips for ensuring
reliable operation and problem tracking.