RT, I use the MCLK of 16M crystal oscillator, and the timer captures the pulse width. I found that the minimum pulse width can only be measured to about 2us. I don't know if there is a problem with my...
[p=25, null, left][color=#000][font=sans-serif][b]Phenomenon 1: The PCB design requirements for this board are not high, so use thinner wires and do automatic routing. [/b][/font][/color][/p] [p=25, n...
I am currently using a Falcom A2D-1 GSM module, and I use the module's own host software to connect directly to the PC's serial port: I can make calls, receive calls, send text messages, and receive t...
TL494 is a fixed frequency pulse width modulation circuit, which includes all the functions required for switching power supply control and is widely used in single-ended forward dual-tube, half-bridg...
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
With the continuous development of ultrasonic technology, ultrasound has been widely used in fields such as inspection, cleaning, welding, and medical treatment, and has even found its way into tex...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
Charge your electric car for just six minutes and you'll get 1,000 kilometers! This isn't just a scene from a science fiction film, but a reality made possible by Guoxuan High-Tech's Jinshi solid-s...[Details]
According to foreign media reports, German chipmaker Infineon has recently completed the acquisition of Marvell Technology's automotive Ethernet business for a total transaction amount of US$2.5 bi...[Details]
Siemens software mainly includes PLC, frequency converter, human-machine interface, etc. The current Siemens software can be said to be very stable.
PLC series range from the Siemens S5 series...[Details]
Fast charging is a method and means of quickly replenishing a vehicle's power. It is the core and most important part of electric vehicles. Speaking of fast charging, everyone is familiar with it. ...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
When a self-driving car is traveling straight ahead on the road and a vehicle ahead or in an adjacent lane is about to turn left, the system must make a quick and accurate judgment within the compl...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]
In 2013, the introduction of fingerprint recognition in the Apple iPhone 5S sparked a craze for fingerprint phones. The Android-based Huawei Mate 7 also became a hit thanks to its fingerprint recog...[Details]
2025 World Expo
On August 10, 2025, Beijing—themed "Making Robots Smarter, Making Bodies More Human," the 2025 World Robot Expo opened grandly at the Beijing Beiren Yichuang International Exhi...[Details]
China's tightening control over rare earth elements (REEs) is reshaping global supply chains and triggering ripple effects across high-tech industries, according to a detailed analysis released by ...[Details]
PCI Express Architecture
Figure 2 shows the PCI Express layered architecture. It maintains compatibility with the PCI addressing model (a load-store architecture with a single-level address s...[Details]