STM32 Bluetooth Home Automation with Feedback, STM32CubeIDE, stm32F103C8T6, Android Application

STM32 Bluetooth Home Automation with Feedback, STM32CubeIDE, stm32F103C8T6
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Project Description:
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Today, we are going to make the world’s fastest Home Automation system using the STM32F103C8T6 controller board, HC05 or HC06 Bluetooth Module, a Solid-state 4-channels relay module, and an Android cell phone application designed in Android Studio.
Now, you might be wondering, "Why not just use Arduino for this job?" Well, buckle up as we unravel the reasons why STM32 steals the spotlight in this home automation extravaganza.
During initial experiments, I used mechanical relays that we commonly use. Even now, I can control loads at a considerable speed, and I believe this switching speed is sufficient. However, my goal is to create the world's fastest home automation system, and achieving this is not possible by using mechanical relays.
Mechanical relays are slow due to the physical movement involved in their operation. The mechanical parts, such as contacts, have inertia, leading to delays in switching. Additionally, contact bounce, where contacts make and break several times before stabilizing, contributes to the overall response time. The energizing and de-energizing of the relay coil also take time, influenced by both electrical and mechanical factors. And because there are moving parts in it, the lifespan of mechanical relays is also reduced due to wear and tear.
Anyway, I replaced the mechanical relays with the Solid-state relays and then I was like wow.
In contrast, solid-state relays (SSRs) use electronic components for switching, eliminating mechanical parts and offering faster response times, making them more suitable for applications requiring rapid and precise switching.
This home automation system is not only faster but also quite user-friendly. As you can see, I have some loads currently switched on. For now, let's imagine these loads are installed in another room. After a couple of hours, I want to switch one of these loads on or off, but I've forgotten which one I turned ON or turned OFF. To eliminate this kind of confusion, I've integrated a feedback feature into this home automation system. As soon as I open the application on my cell phone, STM32, through Bluetooth, provides me with feedback on which load is currently on and which one is off. This ensures seamless control and eliminates any confusion.
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The following soundtrack is used in the video:
Just Smile by LiQWYD/ liqwyd
Creative Commons - Attribution 3.0 Unported - CC BY 3.0
Free Download / Stream: bit.ly/-just-smile
Music promoted by Audio Library : • Just Smile - LiQWYD (N...
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[@azam2821]

Fantastic channel for students and learners

[@PhG1961]

Waw, impressive reaction speed! Awesome video and product!

[@klausehrhardt4481]

All good and sounds using solid state replays except that when the output Triac fails, they short circuit the Power to the load, instead of opening the circuit, wich may lead to undesired consequences.

[@azam2821]

Very nice and informative video

[@aliemlek]

👍👍👌👌

[@madhukeshnp]

ESP32 is more than sufficient for these kinds of applications.

[@mr-1459]

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