As shown in the figure above, a buzzer is connected between VLED and GND. Now I encounter a phenomenon that I think is difficult to explain. I would like to ask an expert to explain it! The phenomenon...
CString uvcalpara; uvcalpara=_T("1.290"); float k; swscanf(uvcalpara,_T("%f"),&k); float u=0; u=2*k; CString l; l.Format(_T("%0.3f"),k); This is my program. In single-step debugging, k is always displ...
3×1W LED driver, EMI passed the report (the picture shows the L line conduction diagram), if the Y capacitor 102/250V is not added; what will the curve look like, will EMI pass? Because the board can’...
Introduction to Serial Communication
Classification by data transmission direction
Simplex : Data transmission only supports data transmission in one direction
Half-duplex : allows data to be transmit...
[url=https://download.eeworld.com.cn/detail/tyw/559833]Automotive Bus_LIN 44 pages 4.0M[/url] [url=https://download.eeworld.com.cn/detail/tyw/559832]Automotive Protocol LIN Bus Latest Chinese Edition ...
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[Details]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[Details]
We are entering a new era where people are increasingly affordably equipped with more electronic gadgets. Electronics have become essential to our lives. For example, the average consumer now owns ...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[Details]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[Details]
Before understanding single-phase control transformers, let's briefly understand what a single-phase transformer is. A single-phase transformer uses a single-phase input. Compared to a three-phase ...[Details]
With the support and encouragement of national policies, some Internet car manufacturers have also joined the new energy vehicle manufacturing industry. From the perspective of new car manufacturer...[Details]
The second-generation Snapdragon W5+ and second-generation Snapdragon W5 platforms support users sending and receiving messages via satellite when there is no cellular and Wi-Fi coverage.
...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[Details]
Most cameras on the market use chips manufactured by Japanese companies like Sony, Sharp, Panasonic, and LG. South Korea now has the capability to produce chips, but the quality is somewhat inferio...[Details]
introduction
In recent years, with the increasing number of high-rise buildings, the demand for elevators has also increased. Currently, the elevators we use most often use LED dot array displ...[Details]
Energy Infrastructure?
京公网安备 11010802033920号
EEWORLD
