[size=4]The success or failure of ink use directly affects the overall technical requirements and quality indicators of PCB shipments. For this reason, PCB manufacturers attach great importance to the...
[align=left][color=rgb(51, 51, 51)][size=3] Access cards have become more advanced and intelligent over time. Today's 13.56 MHz contactless smart cards are a typical example. Such cards include a tamp...
The shape error signal is not performed in the time domain, but in the space domain, which is called division. This requires equal-angle sampling during data acquisition. How can the microcontroller g...
The 2450 schematics I have are the same as the 2451 schematics. STEPLDR.nb0 and Eboot.nb0 are downloaded and run normally. But every time I download Eboot.bin, an error occurs when I check the Eboot.b...
[color=#333333]The control and protection functions of online UPS are basically completed by the internal program control of the CPU. Due to the invisibility of the program, many control and protectio...
As shown in the figure below, it is a TVS tube of the SMA6J series. For voltage regulator tubes or TVS tubes, I always cannot analyze their working principles clearly. There are many voltage names in ...
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[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]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
Limited vocabulary recognition
According to the number of characters, words or short sentences in the vocabulary, it can be roughly divided into: less than 100 is small vocabulary; 100-1000 is...[Details]
Since the beginning of this year, price wars have intensified, new models have been launched one after another, used cars with zero kilometers have become a hot topic, and the industry's internal c...[Details]
While the current industry consensus is that autonomous vehicles are robots and that their systems are managed using robotics-developed thinking, there are also cases where autonomous driving is ac...[Details]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[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]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
As the range of electric vehicles continues to increase, driving electric vehicles for long-distance travel has become a trend. For high-speed travel, how much impact will high-speed driving of ele...[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]
On August 18th, China's largest expressway
charging station,
the G25 Changshen Expressway Tonglu Service Area (South Area), officially opened and launched its integrated solar-storage-charg...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]
PCB Design
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