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Exploring Centralized IoT Approach vs. Standalone Devices

IoT systems vary widely, ranging from simple tasks like changing your living room light color via your smartphone to monitoring and controlling multiple buildings. The vast array of IoT applications and the varying complexities of their integration raises many questions about the best approach to development.

Two main approaches can streamline the development of these varied IoT systems. The first uses a central command unit that interfaces with all peripheral devices and manages the IoT functionalities of the application. This central hub manages all communication and data processing across the network. The second approach involves using independent smart devices, where each is dedicated to performing simple tasks and equipped with its own IoT capabilities, allowing for decentralized operation and direct communication with user applications or cloud services.

Centralized IoT Architecture: Central command unit

When a central command unit is used to manage the whole IoT system (or subsystem), it is considered a centralized development approach. EQSP32 – Industrial IoT ESP32 PLC controller, is such a central command unit, which acts as the core of the system. This unit connects to a range of devices including sensors, relays, and actuators, coordinating their functions. It collects data from these devices, processes commands based on predefined logic or direct user inputs, and facilitates cloud connectivity. This allows users to interact with the system remotely through an application, enhancing control and accessibility. This centralized setup simplifies the management of complex tasks and ensures efficient operation across the entire IoT ecosystem.

Decentralized IoT Architecture: Independent Smart Devices

On the other hand, in the decentralized model, each IoT device operates autonomously, equipped with its own connectivity to directly interact with the user app. Devices such as smart relays, sensors, and actuators function independently, without a central controller making decisions. To facilitate interactions among devices, users must define strategies—for instance, activating a smart relay when an IoT temperature sensor exceeds a specific threshold, that are executed on the cloud.

Comparing Centralized and Decentralized IoT Approaches

When considering the best architecture for IoT systems, both centralized and decentralized models present unique advantages. The centralized model, utilizing the EQSP32 – an industrial IoT ESP32 PLC controller, focuses on a single point of control, simplifying the integration and management of various devices such as sensors, relays, and actuators. This approach not only enhances data processing and system responsiveness but also enables streamlined cloud connectivity for remote user interaction. It’s particularly beneficial for complex systems where unified control and oversight are crucial.

In contrast, while the decentralized approach offers flexibility for adding smart functionalities to existing setups, such as IoT switches or relays for basic control tasks, without significantly altering the infrastructure, it falls short in supporting the development of more intricate systems, like smart jacuzzis or IoT-driven pool automation. Thus, a decentralized approach would be more suitable for simpler IoT systems with minimal automations, offering the advantages of flexibility and easier installation.

If you are interested in developing your own IoT application and the centralized approach suits you best, Erqos has just the solution. The EQSP32 industrial IoT ESP32 PLC controller is specifically designed for centralized systems. Contact us with the details of your application—we are always here to help you turn it into a reality.

Check out our demo video for a Centralized End-to-End IoT Approach developing experience!

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