How is it more correct and cheaper to implement a "smart home"?

Question

Arduino

Hello.
For six months I have been thinking about creating a smart home. I found a sufficient amount of material on this subject on the net and compiled its ideal (in my opinion) model in my head, but I can’t decide on its correct organization. Therefore, I want to describe my desires and get an intelligible answer or advice on how to tie it all together more correctly and logically.
- Voice control - embed a microphone in every room that constantly listens. Code the modes (for example, "No one at home", "Everyone sleep") and commands ("Turn on the TV", "Turn off the computer"), according to the pronunciation of which the corresponding actions were performed.
- Power in sockets - I don’t know how correct, but I’m used to the fact that when there is no one at home, almost all devices must be turned off from sockets and each exit from the apartment begins with the ritual of turning off and checking all devices, as a result of which everything should be turned off except refrigerator and router. Therefore, I would like to say "No one at home" (point on voice control) that all power in sockets, lamps, chandeliers stops being supplied, and the sockets for the refrigerator and router are excluded.
- Control of water / gas leaks - by installing controllers, receive alerts about leaks to your mobile / mail and block them automatically.
- Video surveillance - again returning to voice control in the "No one at home" mode, so that 1-2 built-in cameras turn on and record everything that happens in the house. Also, to be able to view online.
- Opening and closing windows - depending on the time of year, time of day, weather outside, so that the window opens and closes automatically. Well, voice control)
- Server - it is natural that the server should send and receive commands for execution, plus record and store video for some time.
- A program on a mobile phone or a website - I would like to manage all this miracle through mobile to the edge via the web.
Here are links to articles ( one , two , three) having seen and read enough that I wanted to do it myself, but I can’t imagine it all in a single system. Too much information and too little experience to implement.
I would like to get advice on how best to organize this or a link to a similar project.
The area is completely unfamiliar to me, but I want to understand and do it.

Answer 1

Delov something ... settle in your mother-in-law.
At the same time, the problem with automatic cleaning and cooking will be solved by itself.

Answer 2

"I just don't know how, but I want everything at once and perfectly"
All these people that you listed on the links use controllers, phones and other microcomputers to perform certain tasks. They write programs that use libraries that use transistors to pull digital, analog and power nodes, transmit data over radio channels, and respond to sensors. Without all this, you can only dream of a smart home if you have a lot of money, where someone else will do it all. Having some knowledge in the areas of electronics, I can figure out how each node should look like, what it can consist of, how to communicate with other nodes, and how and who will ultimately summarize and manage all this. Start learning electronics and programming.With knowledge, you would not have such superficial questions.
If we return to the question, everyone has approximately the same architecture, you won’t get far from it:
Computer - Communication channel - Remote device - Sensor or power unit
All these elements can be very different, this creates so many smart home implementations. But the essence of all is still the same.

Answer 3

What is the question then?

Answer 4

It needs to be easier, easier. If there is no desire to take something on a turnkey basis, then you need to start small: for example, turn off the light in the most convenient way. And then, as the implementation progresses, it may reach another.

Answer 5

first write the technical specification, what and how is managed, what additional functions may appear later ... without a good technical specification there will be an ever-evolving and buggy project ... no enjoyment of the work of technology

Answer 6

If you really want to, you can fly into space yourself. They say it's hard, but it's possible. www.insyte.ru has instructions on how to assemble the system.

Answer 7

How better I know how cheaper it is not ((
If you seriously want to build a Smart Home, then look at the European KNX standard, which is already 26 years old and is supported by all European companies producing electrical installation products, so as not to be tied to one manufacturer or closed standard.

• You can study and do it yourself ( see here )
  
• You can find a KNX smart home installer and buy a service ( see google )
  

Answer 8

It’s more correct and cheaper to definitely do it yourself, start small, then go to the final result, start studying electronics on controllers, make the simplest device from what you wanted, then you will understand what and how to do next and whether it is worth doing it yourself or m. b. order modules (blocks) from some developer according to your wishes