ad-hoc networking

Introduction to TCP/IP Network Protocols

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Introduction to TCP/IP Network Protocols

Reading this article will take about 14 minutes. Source: Ruan Yifeng, link: http://www.ruanyifeng.com/blog/2012/05/internet_protocol_suite_part_i.html Before writing: This article provides a comprehensive overview of the TCP/IP network protocols, making it excellent introductory material for beginners. Professionals can also use it to fill in gaps, and it’s suitable for last-minute preparation for interviews. Additionally, I have two books … Read more

Top Ten Pitfalls in CANopen Bus Design! ID Conflicts Cause Production Line Shutdown!

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Top Ten Pitfalls in CANopen Bus Design! ID Conflicts Cause Production Line Shutdown!

■ Real Incident at a German Automotive Factory in 2018: At 07:23, all 32 servo nodes on the assembly line went offline. The root cause was found to be a duplicate product code field in the EDS file [0x1018], resulting in an economic loss of 12 million per day (Data source: VDMA Fault Report No.CAN-20181207) … Read more

Understanding CANopen Communication Protocol Basics

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Understanding CANopen Communication Protocol Basics

We have introduced various industrial communication protocols such as EtherCAT, Modbus, Profibus, Profinet, and EtherNet/IP: In-depth Analysis of EtherCAT Bus Technology (Final Part) Comprehensive Analysis of RS232, RS422, and RS485 Serial Communication Technologies (Final Part) Complete Analysis of Modbus Protocol (Final Part) Complete Analysis of Profibus Technology (Final Part) Complete Analysis of Profinet Technology (Final … Read more

Detailed Development of VxWorks 7 BSP

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Detailed Development of VxWorks 7 BSP

VxWorks 7 is a modern real-time operating system (RTOS) launched by Wind River, with significant improvements in the modularity and tool support of its BSP (Board Support Package) development process. The BSP serves as a bridge between hardware and the operating system, responsible for hardware initialization, device drivers, and system configuration. This article will detail … Read more

Cross-Platform Sharing Using Samba (Linux and Windows)

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Cross-Platform Sharing Using Samba (Linux and Windows)

1. Install Samba Service sudo apt update sudo apt install samba samba-common smbclient # Install core packages 2. Configure Samba Service Start and set the service to launch on boot: sudo systemctl start smbd nmbd # Start smbd and nmbd services sudo systemctl enable smbd nmbd # Set to launch on boot Create a shared … Read more

Comprehensive Guide to Common Linux Commands

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Comprehensive Guide to Common Linux Commands

A 20,000-word system summary to help you achieve freedom with Linux commands. Basic Operations Shutdown and Restart Linux # Shutdown shutdown -h now # Restart shutdown -r now View System and CPU Information # View system kernel information uname -a # View system kernel version cat /proc/version # View current user environment variables env cat … Read more

Detailed Explanation of ZigBee Technology in IoT – Network Types

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Detailed Explanation of ZigBee Technology in IoT - Network Types

ZigBee is one of the most important wireless protocols in wireless communication, widely used in various IoT communication fields. The success of ZigBee technology in IoT applications is inseparable from its powerful networking capabilities. In this article, we will explore the network types of ZigBee. ZigBee Network Device TypesZigBee defines two types of devices to … Read more

Why Is Bluetooth Called ‘Bluetooth’ and Not ‘White Tooth’?

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Why Is Bluetooth Called 'Bluetooth' and Not 'White Tooth'?

Source: Guoke Bluetooth is a term we are all too familiar with. But what exactly is Bluetooth?This story begins with a Danish king.Bluetooth is actually a short-range wireless communication technology that enables short-range data exchange between fixed devices, mobile devices, and personal area networks (using UHF radio waves in the ISM band of 2.4-2.485GHz). Bluetooth … Read more

36 Images Explaining Basic Network Knowledge

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36 Images Explaining Basic Network Knowledge

Introduction Click the “Shenzhen Network and Information Security Industry Association” official account below to follow and set it as aStarred. Reply in the background with [Technical] to apply for joining the technical exchange group in the network security industry. OSI and TCP/IP are very basic yet extremely important knowledge; many knowledge points are interconnected based … Read more

Understanding The Multi-layer Model Of Bus Communication Protocols

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Understanding The Multi-layer Model Of Bus Communication Protocols

From the development trends of industrial technology in recent years, the widespread application and popularization of Ethernet in the industrial field is an undeniable fact. As mentioned in the previous article “The Evolution of Industrial Bus to Ethernet,” the driving force comes from the optimization of system costs brought about by the universality and consistency … Read more