In Arduino IDE menu, go to Sketch -> Include Libray -> Add .ZIP Library... and then select the zipped library. After including it, you can add the include headers to your current sketch with Sketch -> ...

So, what is DashIO? It is a quick effortless way to connect your IoT device to your phone, tablet or iPad using the free Dash IoT app. It allows easy setup of controls such as Dials, Text Boxes, ...