Click AboveElectricalI 1 Analysis of Bus Short-Circuit Isolator Settings 1.1 Significance of Bus Short-Circuit Isolator Settings When a short circuit occurs in the fire alarm system’s bus circuit, the fault circuit will pull down the voltage of the entire fire alarm system, leading to system paralysis and failure. To prevent this situation, the “Specification” requires … Read more
Click the above↑ “Lao Wang Talks to You AboutElectrical” FollowMe 1. System Selection and Architecture Depending on the scale and layout of the venue, consider adopting a bus-based, distributed, or a combination of bus-based and distributed emergency broadcasting system architecture to fully leverage the advantages of both, meet the broadcasting needs of different areas, and … Read more
Follow our public account, click the top right corner of the homepage “ ··· ”, set a star mark, and get real-time updates on the latest news in intelligent automotive electronics and software. 1. Introduction to LIN 1.1 What is LIN? LIN (Local Interconnect Network) bus is a low-cost serial communication protocol defined for automotive … Read more
1. Introduction to RS485 Smart instruments have developed alongside the maturity of microcontroller technology in the early 1980s, and now the global instrument market is largely dominated by smart instruments. The primary reason for this is the need for enterprise informatization, where a necessary condition for selecting instruments is the presence of a network communication … Read more
The degree of electronicization in automobiles is an important indicator of modern automotive standards, and the advancement of automotive electronic technology has also driven the development of bus technologies. Traditional automotive electronics use point-to-point communication methods, with no connections between units, resulting in the need for massive wiring harness systems for the entire vehicle. From … Read more
Before discussing buses, we should first understand what a bus is. According to the complete definition from Baidu: A bus is a common communication line for transmitting information between various functional components of a computer. It is a transmission line composed of wires, categorized according to the type of information transmitted by the computer. In … Read more
To ensure the stability of industrial bus communication, engineers usually consider circuit solutions for lightning protection, surge protection, and overvoltage protection during the design phase. Today, we will introduce some effective bus surge protection solutions. The Impact of Surges on Circuits Surges include surge current and surge voltage, which refer to the phenomenon where voltage … Read more
The CPU has developed over the past 40 years, and this year, Intel has launched the 8086K CPU commemorative edition to celebrate the 40th anniversary of the first 8086 CPU. The CPU bus has also undergone many generations of evolution. Taking Intel as an example, the CPU bus has evolved from FSB to QPI, while … Read more
Reviewing the bus device driver model, I’ve made a few notes for reference, experts can skip this. 1. A significant part of the driver framework in the Linux system revolves around the bus device driver model. 2. Involves three important structures: struct bus_type: Bus struct device: Device struct device_driver: Driver 3. Core code analysis of … Read more
The automotive bus we are most familiar with is CAN, while LIN and FlexRay may be somewhat unfamiliar to many. Next, let’s introduce these four types of automotive buses. The automotive bus is the communication network that connects the lower-level automotive devices or instruments within the vehicle.Currently, there are four mainstream automotive buses: CAN bus, … Read more