This article is a translation of “Let’s code a TCP/IP stack, 1: Ethernet & ARP”. The translation process is also a learning experience for myself. Writing your own TCP/IP stack may seem like a daunting task. In fact, TCP has accumulated many specifications over its more than thirty years of life. However, the core specifications … Read more
Click the above Network Engineer Club Select “Add to Favorites” First-hand news, check it in time The story should start from the beginning. In the summer of 1973, two young scientists, Vinton Cerf and Robert Kahn, began to work on a method for communication between different machines in the newly born computer networks. Soon after, … Read more
1. Overview of Computer Networks 1.1 Classification of Computer Networks According to the scope of the network: Wide Area Network (WAN), Metropolitan Area Network (MAN), Local Area Network (LAN); According to the users of the network: Public network, Private network. 1.2 Hierarchical Structure of Computer Networks Comparison of the TCP/IP four-layer model and the OSI … Read more
Introduction This section was originally intended to start discussing the content of 802.11e, because the birth and formation of wireless local area networks, especially during the evolution process, an important starting point is 802.11e. Many of the contents introduced in 802.11n, 802.11ac, and 802.11ah can actually be found in 802.11e, and more generally, the earlier … Read more
Search on WeChat Technical Training Step 1: Create a new project, enter the new project wizard, and select the model; Step 2: In the project new wizard, select Ethernet in the “Connection Machine Settings” under “I/F”; Step 3: Set the “GOT IP address” to be in the same subnet as the PLC; Step 4: Complete … Read more
Search on WeChat Technical Training 1. How to Determine the Model of the Screen Please confirm that the screen you are using is the Comfort series screen. You can check the label on the back of the screen to verify the model and order number. The common order numbers for the Comfort screens start with … Read more
In 2024, Binh Lake Education has carefully prepared and launched a series of professional courses in the field of intelligent manufacturing, covering cutting-edge technology directions such as PLC industrial control programming, electrical assembly and debugging, industrial robotics, industrial vision, mechanical assembly and debugging, and non-standard mechanical design. Everyone is welcome to sign up enthusiastically! Scan … Read more
As the automobile industry develops, the number of electrical devices in vehicles is increasing. For each additional electrical device, two power lines must be added. Simultaneously, each electrical device requires two additional switch wires. The rapid increase in electrical devices in vehicles has led to a corresponding rise in switch wires. This increase in electrical … Read more
Field of Application Smart Manufacturing Pain Points ยท Issue 1: Insufficient Bandwidth and Poor Anti-Interference of Traditional Fieldbus Technology With the intelligent development of the manufacturing industry and the exponential increase in the number of bus nodes, traditional fieldbus technologies (such as CAN, Profibus, etc.) can no longer meet the transmission requirements of massive data. … Read more
Introduction to In-Vehicle Networks As the complexity of electronic control systems increases, and the demand for communication capabilities among the electronic control units (ECUs) within vehicles grows, the use of point-to-point connections leads to an increase in wiring harnesses inside the vehicle. This creates significant challenges for reliability, safety, and quality in automotive design and … Read more