change the following: var arduino = new IOBoard(host, 8777);

to: var arduino = new IOBoard(“localhost”, 8777);

You also need to upload Breakout.min.js and jQuery (or point to the jQuery cdn). See lines 42 and 43 in the code. I’m not seeing these files on your server. Copy Breakout.min.js from Breakout/dist/ to the same folder as the simple LED application on your server and change line 42 to:

And copy jquery.min.js from Breakout/examples/libs/ to the same location as Breakout.min.js and the simple led app. Change the jQuery line (43 I think) to: