Interfacing to the serial port

Here is a good example of connecting something to the serial port of your computer. In this example, we will connect a scrolling LED sign to the serial port of the computer. The sign is a Pro-Lite PL-M2014R.

Doing a WWW search on "PL-M2014R" returns the following site:

http://wls.wwco.com/ledsigns/prolite/

Additional notes, locally cached:

ProliteLinux.html
ProliteProtocol.html
pro-lite_linuxjournal.htm