IoT protocols refer to the protocols used for communication and data transmission between devices in an IoT environment. Depending on their functions, IoT protocols can be divided into two main categories: transport protocols and communication protocols. Transport Protocols: Mainly responsible for networking and communication between devices within a subnet, such as Wi-Fi, Ethernet, RFID, NFC … Read more
Introduction to IoT Development Key Technologies and System Applications of IoT This section systematically introduces the concept of the Internet of Things (IoT), its three-layer architecture, enabling technologies, and typical applications. It first discusses the background, characteristics, architecture, standards, and industry chain of IoT; then it introduces sensing layer technologies, including EPC technology, RFID technology, … Read more
Let’s dive into MQTT, how to ensure its security, and examples of the protocol to see how it has rapidly gained popularity in the IoT field. In today’s world, there are billions of smart devices. Imagine if these devices were all interconnected and could communicate with each other like their users, forming a global network. … Read more
Click the “Blue WeChat Name” Under the Title to Quickly Follow Networking issues are relatively specialized, but understanding some basic knowledge can be very helpful in troubleshooting simple problems. This article from the technical community, “Illustration of 60 Basic Networking Knowledge Points”, explains some basic knowledge related to networks that can be learned and understood. … Read more
What is a Communication Network There is a network surrounding us at all times, such as telephone networks, telegraph networks, television networks, computer networks, etc.; even within our bodies, there are many network systems, such as the nervous system and the digestive system. The most typical example is the computer network, which is a combination … Read more
EKI00006: Configuration failure explained Error Effects: Emergency stop of the track Inputs for activated commands (robot movement, program start) are disabled. Cause: Framework error in the XML file containing the connection configuration. The XML file containing the connection configuration may be unreadable due to framework errors. Ethernet KRL uses the XPath framework. The syntax specified … Read more
The ping command is one of the most frequently used network commands in Ethernet network basics. Generally, we only use its basic functions. Today, let’s take a detailed look at the 7 basic uses of the ping command. Master these, and you’ll become a pro! 1. Basic of Ping Command 2. Usage of ping -t … Read more
What Are Transport Networks, Core Networks, Transmission Networks, and Access Networks? Today, I will mainly talk about carrier networks, their evolution, and technological trends to help beginners understand the development of networks, services, and technology. Before we delve into the knowledge, let me share a story about sending a package: I want to send a … Read more
How to Uninstall and Manage Startup Items for TCP/IP Port Server: 1. Use the shortcut key combination “win+R” to open “Run”. 2. Click “Run” — enter the command: msconfig — confirm3. System Configuration — Startup The items checked in the list are the startup items for the system. You can disable the unnecessary startup items.4. … Read more
IP address conflicts typically occur within a local area network (LAN). In a LAN, multiple computers are present, each assigned a unique IP address. If one computer’s IP address is modified and coincides with another computer’s IP address within the same LAN, an IP conflict will occur. 【Fault Case】: In a certain LAN, the router … Read more