In industrial automation, the PLC (Programmable Logic Controller) plays an indispensable role. It acts like the brain of industrial equipment, responsible for controlling and managing various mechanical actions and processes. This article focuses on typical applications of PLC in industrial automation, using real cases to help you understand the core functions, implementation methods, and common … Read more
Hello everyone! Today, let’s talk about the optimization techniques and best practices in Siemens PLC programming. Whether you’re new to PLCs or have written some programs before, I believe this article will inspire you. Optimizing PLC programs not only improves operational efficiency but also makes the programs easier to maintain, reducing debugging hassles later on. … Read more
Basics of PLC Analog Signal Processing: Making Data “Speak” Hello everyone, I am Ouyang. Today, let’s talk about analog signal processing in PLCs. In automation control, analog signals act like the “senses” of devices, helping us accurately perceive and control various physical quantities. Mastering analog signal processing will make your PLC programs more flexible and … Read more
Hello everyone, I am Lao Wang, an experienced engineer in the automation industry. Today, let’s talk about PLCs, which are the core of the automation field, just as important as the light switch in our homes. However, instead of controlling a simple light bulb, it controls various complex industrial devices. The goal of this article … Read more
Hello everyone! I am Lao Wang, an experienced programmer in the automation industry. Today, let’s talk about PLCs. Although they look complicated, getting started is not difficult. I will guide you from zero knowledge to hands-on experience in the most straightforward way! I guarantee that after learning, you will be able to roll up your … Read more
Hello everyone! Today we will learn about a very practical and lightweight C library, <strong>TinyXML</strong>. If you have some understanding of XML format files, you should know that it is a very common format used for storing and transmitting data, such as configuration files and data exchange. <strong>TinyXML</strong> is a lightweight library specifically designed for … Read more
Understanding Apache HttpClient: Your Diplomat in Network Communication Hey, friends! Niu Ge is back! Today we’re going to talk about a “diplomat” in the Java world – Apache HttpClient. Remember the weather query app we built last time? We used this powerful tool. Today, let Niu Ge take you deeper into understanding this network communication … Read more
To pass the time, I will provide a detailed explanation of the MQTT protocol code implementation I wrote earlier; the main content will analyze and implement the MQTT network communication protocol, specifically involving the processing of network data stream segmentation. Therefore, much of the content will involve specific code functionalities. If you are interested in … Read more
13.6.2 Understanding the MQTT Protocol Visually Using the roles of a TV station, reporter, and audience makes it easier to understand: TV Station: In MQTT, it is referred to as the server (broker). It has the following functions: ① Accepts network connections from clients; // reporters/audience connect to the TV station ② Accepts application information … Read more
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