As the bridge connecting users and products in the Internet of Things, mobile internet plays a huge role. From car networking to smart homes and city management, it's everywhere. Today, let's take car networking as an example and explore how it implements its communication technology architecture.
Cars connect people, creating new ways of interaction and experience.
**1. Project Introduction**
Initially, charging new electric vehicle owners was limited to using recharge cards, which wasn't very convenient. Finding a charging station was difficult. To solve this, we developed an app that streamlines the process. This project addresses the challenges of locating charging stations and simplifying the charging experience. Through the app’s map navigation, users can easily find nearby stations and check real-time status and information about each charging pile. They can even reserve a specific spot in advance. Once at the station, the user locates the correct pile via the map, inserts the gun, and turns on the remote control through the app. The visual and interactive interface makes the whole process smooth and efficient, solving one of the main issues for new energy vehicle owners—finding and charging their cars.
**2. Technical Implementation**
â— Determine the Communication Method of Smart Devices
First, we need to identify the communication method supported by the charging pile. APICloud offers various IoT options, such as socket communication via the socketManager module, Bluetooth via the ble module, and third-party SDKs like wit cloud gizWifiSDK or Qingke mico. In this project, the operator’s charging piles use sockets to communicate with the internal server of the manufacturer.
â— Define Business Processes
Each IoT device has a set of business processes, including opening, running, and closing. For this project, the charging process includes: booking, inserting the gun, starting the device, monitoring the charge, ending the session, generating an order, making payment, and completing the process.
â— Establish the IoT Architecture
The operator requires that the charging piles connect directly to its own server, integrating the control logic seamlessly into the app’s workflow. The manufacturer provides a server-side SDK for internal communication with the charging devices. This SDK offers a packaged service interface and is deployed on the operator’s server. On the project’s server side, we encapsulate the necessary business interfaces that can interact with the SDK, allowing the app to control the charging piles effectively.
The overall IoT architecture involves four key components: the charging pile equipment, the device server, the project server, and the app client. This four-party communication model allows smart hardware, data platforms, business servers, and mobile clients to work together efficiently. It doesn’t require direct agreements between the smart device and the data platform, nor between the client and the device. The APICloud SDK handles protocol encapsulation, making development easier. This architecture can be implemented in either Wi-Fi/GPRS mode or Bluetooth mode.
In Wi-Fi or GPRS mode, the client sends commands to the server via HTTP or Socket. The server then forwards the command to the device, which responds via UDP or TCP. The server relays the feedback back to the client for display.
In Bluetooth mode, the device connects to the client via Bluetooth or Beacon. The device sends data through the connection, and the client forwards it to the server. The server analyzes the data and sends it back to the client, allowing the user to control the device remotely.
**4. Project Summary**
One of the biggest technical challenges in IoT is achieving real-time communication between the app and the device, as well as integrating with different manufacturers. In this project, the communication between the server and the smart hardware is handled by the manufacturer’s SDK, which provides a unified service interface. The project server communicates with the device server using abstracted API layers, enabling seamless integration without worrying about varying protocols or methods.
This approach ensures that the server focuses on business functions rather than low-level device details. The app only needs to call a fixed API to communicate with the smart hardware, allowing for quick control and updates across multiple clients without requiring an app update.
As a bridge between the physical and digital worlds, IoT is gaining more attention from major companies. APICloud believes that the Internet of Things isn’t just an industry—it’s a new enterprise architecture. There are no industry limits; the only constraint is human imagination.
The quality of LED lamp beads determines the color saturation and clarity of the performance of the entire LED display display. Therefore, the LED module's lamp beads are particularly important at the raw material selection and packaging process. It directly determines the quality and performance of the LED display module product product quality and performance.
2. Select according to the PCB board of the module
PCB boards with stable performance LED display modules are generally composed of substrates and metal coatings. Because there are many links in the quality of PC boards in the external environmental impact module during the application process
3. Select according to the suite of the module
The LED unit board module kit is one of the main causes of the display effect, and is the key element of the entire unit board and the entire stitching screen. The LED unit board kit must be able to prevent moisture, waterproof, and ultraviolet protection, and the quality of the kit will affect the flatness, contrast and service life of the display.
What is the size of the LED display module?
The LED module is divided into two categories. The indoor led module is generally called table stickers (three -in -one table stickers); outdoor and semi -outdoor are generally called modules. The characteristics of indoor table stickers: high image clarity, color and richness, not enough for high prices; outdoor and semi -outdoor module unit board features: high brightness, waterproof, rich color.
We can choose according to several important parts of the module?
1. Select according to the lamp bead of the moduleThe quality of LED lamp beads determines the color saturation and clarity of the performance of the entire LED display display. Therefore, the LED module's lamp beads are particularly important at the raw material selection and packaging process. It directly determines the quality and performance of the LED display module product product quality and performance.
2. Select according to the PCB board of the module
PCB boards with stable performance LED display modules are generally composed of substrates and metal coatings. Because there are many links in the quality of PC boards in the external environmental impact module during the application process
3. Select according to the suite of the module
The LED unit board module kit is one of the main causes of the display effect, and is the key element of the entire unit board and the entire stitching screen. The LED unit board kit must be able to prevent moisture, waterproof, and ultraviolet protection, and the quality of the kit will affect the flatness, contrast and service life of the display.
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Shenzhen Priva Tech Co., Ltd. , https://www.privaled.com