Hi clever people.
I work in a University. In our lecture theatres we have a touch screen that makes all the equipment work, a computer and a projector (as well as other bits we can ignore).
We've been asked to make a button on the touchscreen that makes a picture appear on the projector. There are some expensive ways around this but the cheapest would be the following
Press button on touch panel > Touch panel sends a GET to the computer > The computer is listening for this GET and when it recieves it, it shows a picture.
Is this easy to do? Or does it involve running web servers on computers. I.e. can I write a simple c# program that says 'wait for this command on port 1337'?