First, let's summarize the serial ports 232, 422, and 485.
Serial port 232: bidirectional transmission, full-duplex, maximum rate 20Kbps, negative logic level, -15V~-3V logic "1", 3V~15V logic "0".
Se...
Yesterday afternoon, I opened CCS and my computer suddenly crashed. I never encountered such a situation before. I reinstalled CCS, but it still crashed after I opened it? What happened? Although my c...
As we all know, the national policy has not supported the automobile industry since 2006. Facing the entry into the WTO, will the automobile industry wait passively or take the initiative or develop b...
[font=黑体]First of all, I feel helpless. For various reasons, I have to pass my PCB to someone in my organization. Because of conflict of interest, he has always wanted to get my PCB. I tried to preven...
[align=left]A story tells the basic concepts in computer networks: gateway, DHCP, IP addressing, ARP spoofing, routing, DDOS, etc. [/font][/align][align=left]What is the role of a computer host gatewa...
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]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[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]
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
Amidst the wave of intelligent automotive transformation, advanced driver assistance is gradually emerging from cutting-edge technology into the mainstream, becoming a new frontier of industry comp...[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]
Common Mode Semiconductor has officially released its latest generation of power management ICs—the GM6506 series. This fully integrated high-frequency synchronous rectification step-down p...[Details]
With the rapid development of electric vehicles in my country, people are beginning to pay attention to the issue of radiation from electric vehicles. We all know that mobile phones emit radiation,...[Details]
Charging is a familiar process for new energy vehicles, and as a source of battery energy, charging piles are crucial. New energy vehicle charging can be divided into fast charging and slow chargin...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
During daily operation of an R-type power transformer, the voltage used varies as the equipment being used adjusts. This raises the question: can the transformer change voltage at this point? The a...[Details]
With the increasing popularity of automated equipment, linear modules, a common auxiliary device for automated equipment, have also seen a bright future. In particular, in recent years, many small ...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]