So, we have our Pi Zero listening to Twitter and lighting up our LEDs on our desk at home, but what if we want to wear our t-shirt out and about and have it still work? To make this work, we are going to need to connect our Pi Zero to some form of mobile Internet connection. There are many ways in which we could do this, but the easiest, by far, is to make use of the mobile data on our smart phone and create a mobile hotspot between our smart phone and our Pi Zero.

The method of doing this for each smart phone will vary slightly, and if you do not know how to do it with your type of phone, a quick Google search should yield the results you need. Once you have set up a mobile hotspot on your phone, you will need to take note of the network name or SSID of your hotspot and the password or key.

With those two pieces of information recorded,...