A friend of mine works at an univeristy in Germany and one of his last projects was exactly this. They were to build a device using a teensy that starts up a w

A friend of mine works at an univeristy in Germany and one of his last projects was exactly this. They were to build a device using a teensy that starts up a webpage once plugged in. It needed to work on major OSes and *nix systems. Win7/8/10, OSX, Ubuntu. This was for some conference as well where they were to be used...