Have you ever thought about reaching your small computer, maybe a Raspberry Pi, from a long way off? Perhaps you want to check on a plant sensor in your garden while you are at work, or maybe turn on a light in your living room before you get home. It is, you know, a pretty cool idea to have your little machines doing things for you, even when you are not physically there. This whole idea of having things work on their own, connected over the internet, is what people often call the Internet of Things, or IoT. And doing it with a Raspberry Pi, without spending a lot of extra money, is something many folks are curious about.
Think about it: you could have a tiny device somewhere, collecting information, or perhaps controlling something, and you could look at what it is doing or tell it what to do, all from your phone or another computer. This kind of arrangement offers
