Introduction As a core technical position, the career development path and income level of PLC engineers have always been hot topics in the industry. Many electrical engineers with over ten years of experience find that once their salary reaches the range of 20,000 to 30,000 yuan per month, they often encounter a career ceiling that … Read more
In the field of industrial automation, communication is the “nervous system” connecting various control systems. The configuration of Siemens PLC communication modules may seem simple, but it hides many “traps”. This article will explain the basic configuration methods of Siemens PLC communication modules in a straightforward manner, focusing on the applications of three commonly used … Read more
An intelligent sensor network acts like the nervous system of a factory, while IO-Link technology serves as the “translator” of this system. Traditional sensors only communicate “on” and “off,” whereas intelligent sensors can provide detailed information—not just whether an object is present, but also how far away it is, how hot it is, and even … Read more
HTTP requests are an important means of communication between the front-end and back-end, and as developers, it is essential to master them. Today, I will introduce the 9 common types of HTTP request methods, along with their respective uses and differences: GETRetrieve specific employee information by employee ID. GET is the primary method for reading … Read more
1. What is Cross-Origin Cross-origin refers to the situation where a browser loads resources from another site that has a different domain (e.g., a.x.com and b.x.com are cross-origin), protocol (http and https are cross-origin), or port (port 80 and port 8080 are cross-origin). This is contrary to the same-origin policy supported by major JavaScript-enabled browsers. … Read more
Are you often troubled by questions like: Why is the connection always unstable even though I chose a proxy service? Why does the HTTP protocol not work in some business scenarios? Or why, after paying for a Socks5 service, do I find that certain applications do not support it at all? To be honest, among … Read more
1. Introduction As an extremely important messaging middleware in modern cloud-native applications and microservices architecture, NATS has gained the trust of a large community of users due to its lightweight, efficient, and easy-to-use characteristics. Recently, NATS-IO officially released version v2.11.3, which brings new support for MQTT functionality, core performance and stability optimizations for JetStream, and … Read more
TCP/IP (Transmission Control Protocol/Internet Protocol) is the most fundamental protocol of the Internet, forming the basis of the global interconnected network. It consists of two main parts: the IP protocol at the network layer and the TCP protocol at the transport layer. These two protocols work together to ensure that data can be accurately transmitted … Read more
Click the blue text above to follow us. Efficiently getting started with embedded development relies on mastering the correct methodology, a solid theoretical foundation, and continuous practice. This is not something that can be achieved overnight; it requires systematic planning, patient investment, and a passion for problem-solving. The core path includes: Solidifying the foundation (programming … Read more
Follow+Star Public Account Number, don’t miss out on exciting content Author | strongerHuang WeChat Public Account | Embedded ColumnC language has been around for over 50 years and is considered a legendary programming language, still leading the way today.This article will discuss the structure in C language, which is a key reason for the enduring … Read more