CAN Bus Technology Communication Network and Distributed Systems Getting Started with CAN Bus: A Simple Guide to Automotive Communication Hello everyone, I am Lao Dao. Today, let’s talk about the “internet celebrity” communication protocol in the industrial and automotive fields—CAN Bus. Although it sounds sophisticated, it is essentially a set of rules that allows different … Read more
In the field of industrial automation, industrial control network cards act as the “translators” for communication between devices. They are responsible for bridging different devices and network protocols, ensuring smooth data transmission. With the deepening development of Industry 4.0, network cards have become an indispensable key component in modern industrial control systems. This article will … Read more
Emmm… If you are a pure tech enthusiast wanting to continuously improve your skills want to learn more about IoT knowledge then we will introduce you to the following valuable information Principles and Application Scenarios of General Data Collectors The Differences and Connections between RS-485 and Modbus Understand in One Minute General Data Collector Application … Read more
How to Design a Modular Host Computer? Why is there such a big difference in the situation of engineers at home and abroad? Easy Learning of TIA Portal SCL Programming Structured Variables Understand S7-1500 PLC Reading and Writing SQL Microsoft Database in Seconds 1. Device Functionality Among various schemes for medium to long distance communication … Read more
01 【Common Ground】 RS-232, RS-422, and RS-485 all belong to UART, which stands for Universal Asynchronous Receiver/Transmitter. They can complete the communication process using only two signal lines (Rx and Tx); However, due to the different voltage levels used by each, when converting from UART to RS-232, RS-422, or RS-485, a chip such as SP3232E … Read more
Past and Present RS-485, what does RS mean? It is an abbreviation for Recommended Standard, which means a recommended standard. 485 is the standard identification number, and there is no need to delve into why this identification number is set. RS-485 is also known as ANSI/TIA/EIA-485, these prefixes are abbreviations of standard associations’ names, for … Read more
Hello everyone, I am Feiying. The recruitment process at Huawei consists of one written test, three technical interviews, and one HR interview. Compared to other major internet companies, Huawei’s interview difficulty is generally lower. Today, I will share two classic questions encountered by a student during Huawei’s technical interview: Introduce the HTTP protocol and What … Read more
I just don’t love you anymore. This song that I have been looping for a week now sounds like 5G singing to TCP/IP. As we all know, 4G LTE is fully IP-based, with upper-layer transmission using the TCP/IP protocol (as shown in the figure below). ▲LTE User Plane Protocol Architecture However, this familiar architecture has … Read more
Why TCP/IP Exists All around the world, various computers running different operating systems serve their purposes. However, the methods they use to express the same information can vary greatly. It’s akin to how God confused the languages of people in the Bible, preventing them from cooperating. Computer users realized that individual computers would not be … Read more
Python Practical Community Java Practical Community Long press to recognize the QR code below,add as needed Scan to follow and add customer service Join Python community ▲ Scan to follow and add customer service Join Java community ▲ Author丨cxuan Source丨Programmer cxuan When it comes to the protocols we encounter most in computer networking, it undoubtedly … Read more