Sometimes Habr throws up materials that you want to read from beginning to end (and not j…

Sometimes Habr throws up materials that you want to read from beginning to end ( and not just briefly scroll through, as in most cases ). I found just such a good idea and now I want to share it with you 🥂

We are talking about two articles from Beget about relay automation ( first part and second part ). Formally, they are about history, but in fact they are more likely about the foundation of engineering thinking, on which stands everything that we today call automation, IIoT, SCADA, PLC and even DevOps ( yes, I'm serious )

The first article neatly takes us back to a time when logic was physical. Contacts, coils, you know. It very well shows how a relay from a simple electromagnetic switch has become the basis of complex control systems such as railways, industry, etc. Without software and other software implementation ( yes, it used to be like that ) 🪄

The second article logically continues the first and takes a step towards more fundamental things. Shannon appears there, Boolean algebra and the perception of iron through logical systems. Here it becomes clear where the legs of state machines and all that logic come from which we took at university which we today calmly describe with code

Why did I even decide to share these articles, and what is the point of it all? Because they are great for sobering up. After a huge amount of talk about smart devices, clouds, AI, etc., it is useful to remember that reliability, predictability and transparency of the system do not appear automatically using fashionable technologies and concepts. They are born from correct logic. And relay automation is a concentrate of this logic in its pure form 👍

No, I do not encourage anyone to return to something tried and true. Rather, I would like to remind us all that before constructing complex architectures, it would be nice to understand what principles underlie them

If you work with automation, industrial systems and IIoT, I highly recommend reading both articles. They are easy to read, but they leave the right aftertaste 🤌

#internet_things