In the last chapter we looked at the benefits of enabling devices with intelligence to communicate with one another and also with overseeing control systems. Now, let’s look at the specifics of how this communication happens, at some of the connection methods that can be used. We’ll also look at why, especially if you have big plans for what you want to achieve, you might need a fully worked out object model.
If you are completely new to the concept of serial digital communication, you might like to read Appendix B before continuing with this chapter. In this chapter we look at how interdevice communication happens ...