We had this great idea of using an old digital photo frame from smartparts to display some useful reports at work.
In this case, useful will mean that the reports (pictures in the frame) needs to be automatically updated, with no human intervention.
Take a look to this post, you may find something useful for your own DIY project!
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Categories: Electronic Projects, Software Development Tags: circuit, digital, DIY, dpf, frame, hack, parallel, photo, serial, switch, USB

To create two bridged virtual serial ports use the following command:
socat -d -d pty,raw,echo=0 pty,raw,echo=0
The output will show you which are the virtual ports (or pseudo terminals) created, e.g.:
2010/02/19 16:16:33 socat[9662] N PTY is /dev/pts/3
2010/02/19 16:16:33 socat[9662] N PTY is /dev/pts/4
2010/02/19 16:16:33 socat[9662] N starting data transfer loop with FDs [3,3] and [5,5]
Note: if you are using Ubuntu and you do not have this command, try:
sudo apt-get install socat