There are two power supplies, 16V and 12V. Normally, 12V is used. When 12V is removed, the PCB needs to be able to automatically switch to 16V. How can I do this? Please give me some advice....
Why do general voltage doubler rectifier circuits need to first convert the 220 V AC power through a transformer before they can double the voltage? Why?...
I developed an MFC window function using WINCE. When I close the window, the program is still executing. If I want to exit the program, which function should I overload? Thank you. . ....
Seeing that I am no longer young, and students are leaving one after another, I need to pursue new things in my freedom, otherwise I will be overtaken soon. New Year's plan 1. Get 1-2 vertical project...
Recently I came across a board with a device on it that I couldn't figure out where it came from, and where I could buy it. Can anyone help me see if anyone knows it? Without further ado, I'll post th...
PCI Bus Principle and Programming Guide: I want to study how the controller on the PCI slot works recently. Does anyone have a detailed description? Where should I look for it? Is there any code for t...
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]
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]
Recently,
Xpeng Motors and Xinlian Integrated Circuit jointly announced the mass production of China's first hybrid silicon carbide product.
Designed and developed by Xpeng Motors and joint...[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]
On August 21, WeRide officially launched WePilot AiDrive, a one-stage end-to-end assisted driving solution developed in cooperation with Bosch. This comes only half a year after the two parties' "t...[Details]
When discussing autonomous driving technology, there are often two extremes: on the one hand, there's the vision of "fully autonomous driving," while on the other, there's concern about potential s...[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]
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]
The 2025 China International Automotive Testing Exhibition will be held at the Shanghai World Expo Exhibition and Convention Center from August 27 to 29, 2025.
Clacton Seafront, UK, ...[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]
According to Nikkei, a survey found that global electric vehicle battery supply is expected to reach more than three times the required quantity due to
cooling
demand for electric vehicles,...[Details]
Tiantai Robot's official Weibo account announced on the evening of August 20 that Tiantai Robot Co., Ltd., together with strategic partners including Shandong Future Robot Technology Co., Ltd., Sha...[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]
Plug-in hybrid vehicles (PHEVs) utilize two powertrains. Their pure electric range is typically inferior to that of pure electric vehicles, often reaching less than half that. Currently, mainstream...[Details]
PCB Design
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