Summarizing from practice, sharing in social circles, creating the most down-to-earth public account Abstract Occasionally, during production, the EtherCAT network may experience a complete Init situation, requiring power cycling or reactivating the configuration to recover. How to diagnose which slave caused the network crash and what the possible reasons are? This article describes: Reasons and … Read more
1 Characteristics of PROFIBUS-DP PROFIBUS-DP uses physical layer, data link layer, and user interface for high-speed data transmission at the field level. The master station periodically reads input information from the slave stations and sends output information to the slaves. The bus cycle time must be shorter than the master program cycle time. In addition, … Read more
Exploring the Mongoose Framework mongoose is a lightweight, cross-platform C/C++ networking library that helps us quickly set up a web server, handle HTTP requests, and implement WebSocket communication, among other features. Its simple interface and rich functionality make it an ideal choice for beginners in C++ web programming. Before using mongoose, ensure that it has … Read more
When it comes to Linux, many students’ first impression is: “Linux is too difficult, I haven’t even figured out microcontrollers, how can I understand Linux?” Actually, that’s not the case. You can learn Linux without any hardware background. Due to the vastness of the system, its development is divided into Linux application development and Linux … Read more
Follow「Raymond Operations」 WeChat official account, and set it as「Starred」, you can also scan the QR code at the bottom to join the group chat, to get the latest content in real time and never miss exciting content. Introduction to DNS DNS (Domain Name System): is a system that uses a client/server mechanism to convert computer … Read more
Introduction Linux commands are essential tools for operating the Linux system. They can be categorized into several types, each containing a series of related commands used to perform specific system, file, or network operations. Whether managing the CPU, memory, disk drives, keyboard, mouse, or user management, Linux commands are indispensable.. Components of Linux Commands Linux … Read more
Today, I want to take everyone through an interesting and practical topic: Implementing an Enterprise-Level Distributed Security Sensor Network with Ruby. Don’t be intimidated by the title; this is actually a large project broken down into steps. We will start from the basics and gradually build a scalable distributed system to simulate the operation of … Read more
The application of ad-hoc networking technology in mobile devices has the following advantages: 1. High Flexibility Rapid Networking: Ad-hoc networking technology enables communication between devices through automatic discovery, automatic configuration, and automatic routing functions without central control. For example, in emergency rescue scenarios, mobile devices carried by rescuers can quickly form a temporary communication network … Read more