Today, let’s talk about the differences between Modbus and TCP. These two protocols have both differences and close connections. Their combination not only enables remote network communication based on the Modbus/TCP/IP protocol but also promotes the use of Modbus in its corresponding fields. The Modbus protocol is mainly used in electrical automation and process control, … Read more
1.Understanding Network Device Driver Development In today’s digital age, the network is as ubiquitous and essential as air. Whether we are browsing the web, watching videos, or enterprises are conducting large-scale data transfers and deploying cloud services, the network plays a crucial role. Behind the scenes, there is a “silent hero” performing a key function: … Read more
Building a network medical information system with C++: Opening a new chapter in smart healthcare 1. Introduction In today’s digital era, the healthcare industry is undergoing profound changes, and network medical information systems have become a key force in enhancing the quality and efficiency of medical services. C++, as a powerful programming language, possesses unique … Read more
01 HDMI Switching 1. Introduction This four-channel HDMI video switch controller has been used in my laboratory video recording process. It can be controlled via the front panel buttons or through commands sent over the network. To facilitate remote control on the experiment bench, I am preparing to use this wireless WiFi to serial module … Read more
Author: aurelianliu Refer to scheduling, memory, files, networks, etc., encountered during work. 1. OS Running States X86 architecture, user mode runs in ring3, kernel mode runs in ring0, two privilege levels. (1) The kernel and some privileged instructions, such as filling page tables, switching process environments, etc., generally operate in ring0. Kernel mode includes the … Read more
Source: Guangdong IoT Open Laboratory Author: Laboratory Administrator The American Computer Industry Association predicts that by 2020, the number of connected devices worldwide will reach 50.1 billion. With the development of IoT, there has been real-time and effective connectivity between devices through the internet. To ensure smooth communication between devices, a specific
What is Modbus Modbus is a serial communication protocol originally developed by Modicon (now Schneider Electric) in 1979 for communication between programmable logic controllers (PLCs). The Modbus protocol is designed to be simple, easy to deploy and maintain, and due to its openness and lack of copyright requirements, it is widely used in the industrial … Read more
Follow,Star Public Account Number, don’t miss out on exciting content Author: Engineer Huang Public Account: strongerHuang IoT (Internet of Things) devices need to connect to the internet, and there are many ways to connect, with various transmission protocols available. Why is MQTT the preferred transmission protocol for IoT? This article focuses on the MQTT transmission … Read more
Why MQTT over QUIC is the next generation standard protocol for IoT messaging and how it will empower IoT scenarios. What is the QUIC Protocol? QUIC (Quick UDP Internet Connections) is a transport layer protocol developed by Google that is based on the User Datagram Protocol (UDP), designed to improve the speed and reliability of … Read more
There is a protocol and its related content that propelled the World Wide Web to success, which is IP, or the Internet Protocol. This protocol is the foundation for every browser’s connection to the Internet and forms the backbone of IT data centers. Some believe that the Internet of Things (IoT) will follow the same … Read more