C language tests are a necessary and effective method in the process of recruiting embedded system programmers. Over the years, I have both participated in and organized many such tests, and in the pr...
When we use RISC-V GCC for embedded development, we have to deal with startup files and link files. This article records some learning notes related to link scripts.
1. Basic concepts
The main purpose...
[b]Step 1: Open QQ Step 2: Click on the application management in the lower right corner of QQ. Step 3: Click on QQ Express Step 4: Select a logistics company Step 5: Enter the express delivery number...
Recently, I was studying the official FreeRTOS Chinese practical tutorial. In the binary semaphore unit, when I ran the example given in the document, I found that the __asm(0x82) section could not pa...
I have a paper to write about LED constant current drive. Is there any new or new circuit on the market? Anything innovative? I am worried about the application for my professional title....
If we become electronic engineers someday, we will make a T-shirt. Do you know what to print on it to show our engineer status? If you don't study technical knowledge well, some jokes will make others...
With the booming electronics industry, vision systems have become a leader in the electronics automation sector. However, the delicate nature of electronic products often affects product yields due...[Details]
On August 24th, media outlets reported, citing sources, that NavInfo, a listed company on the A-share market, is nearing completion in its acquisition of the intelligent driving c...[Details]
On August 25th, TSMC, the world's leading contract chip manufacturer, attracted significant attention for its decision to build a chip manufacturing facility in Arizona. TSMC primarily manufactures...[Details]
On August 22nd, Lantu Motors unveiled a new technology called "Lanhai Intelligent Hybrid" during a live broadcast of CCTV News' "Top Laboratory." The name sounds like another new term, but a closer...[Details]
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
Zos Automotive Research Institute released the "2025
Smart Cockpit
Tier 1 Research Report (Domestic Edition)."
This report analyzes the operating conditions of more than a dozen ...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
SMT placement machines are important equipment in surface mount technology (Surface Mount Technology). Their performance has a decisive impact on the quality and efficiency of electronic manufactur...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
Reflow soldering, as an electronics assembly process, has become a vital component of the electronics manufacturing industry. Choosing reflow soldering equipment is crucial for improving production...[Details]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]