At my workplace, I was asked to resolve when an inductive loop busy by a car, a webpage will sound a warning while the loop is busy. The created page will opened non-stop on the dispatcher PC browser. I got to the point where I connected the loop to arduino nano + ethernet shield, if I open the link "http://192.168.1.175/?7" it gives 0 or 1 answer (0 if the loop is not busy, 1 if the loop is busy ). How can I do this on a website? The server is a LAMP ubuntu. All this is because the dispatcher does not see the entrance, so he does not know when to open the gate, but because of the electric gate, a loop is already installed. Sorry for the bad English.

Thanks for the help! 🙂