Communicating

[From the last episode: In the IoT, most “recognizable” communication happens at the application layer.] Last time, we introduced an example of a radon detector talking to a fan, and we did so in generic terms with human languages. Let’s be more specific since this isn’t going to happen using […]

[From the last episode: An API provides a way for one programmer to make his or her work accessible to other programmers that want to use the code.] One more thing before we look at the Big 3. We looked before at the communication stack, and we saw that, for […]

[From the last episode: There will be many details that don’t matter. In a house example, details of how locks are worked don’t matter when all the door wants to do is order the lock to unlock.] We have taken the example of a house (using a little imagination to […]

[From the last episode: Abstraction is a way to simplify details.] We’re going to dive into the world of software a little . Hopefully not too nerdy, but what we’re going to talk about is important when thinking about how different IoT devices talk to each other. We saw that […]