Recently, AI startup RealAI released a test result showing that the facial recognition unlocking of 19 Android phones of different brands and prices can be cracked by photos, and only one iPhone 11 wa...
In 2005, there were more than 1,000 Chinese automotive electronics companies or companies involved in automotive electronics production, but most of them were too small. The Chinese automotive electro...
Semiconductor triode is also called crystal triode. It can be said that it is the most important device in electronic circuit. Its main function is current amplification and switching. As the name imp...
I am using a MX25L12805D Nor Flash chip with the program firmware burned into it. When the main chip boots and reads the chip, I find that the current ripple is quite large.
Adding a 470UF capacitor s...
When there were no frequency converters, DC motor speed control systems basically dominated the market. The Apollo moon landing also required a precise speed control system, and even position posit...[Details]
As time entered 2020, Chinese mobile phone manufacturers, which had always been doing well in the Indian market, unexpectedly discovered that India was no longer a fertile ground for development. Acc...[Details]
Despite their potential to transform cities and make roads safer, self-driving cars may take decades longer to become mainstream than hyped. There are many reasons for this, including technical, regu...[Details]
The main circuit of the group start button, the action of IC2 restricts the action of other contactors, because if IC2 is not set, when IC3 is closed and IQA is not released, if the contactors of ...[Details]
Applied Materials, a semiconductor manufacturing equipment manufacturer, released its financial report on February 18 local time, showing that its revenue for the first quarter (last quarter) ending ...[Details]
Today, Lei Jun, founder, chairman and CEO of Xiaomi, announced on Weibo that Xiaomi 11 has become an "official certified mobile computing terminal" of BOINC. Lei Jun said that BOINC is one of the wor...[Details]
After the NOR Flash market hit a low point last year, it has recovered rapidly this year. Currently, NOR Flash manufacturers and agents have reduced their inventory to a low level, and production cap...[Details]
Recently, Apple officially launched the sales service of self-service repair parts in the United States, and Apple users can also purchase Apple parts and tools. The service has been launched in the ...[Details]
The following is a summary of my understanding of the basics of MOSFET and MOSFET drive circuits, which includes some reference materials, not all original, including the introduction, characteri...[Details]
A switched reluctance motor is an electromechanical energy conversion device that converts electrical energy into mechanical energy. In contrast to a DC motor, where energy conversion is performed ...[Details]
The DC system is mainly composed of two parts. One part is the battery panel and the other part is the DC charging panel (DC panel). The battery panel is a cabinet (800×600×2260) that can hold mu...[Details]
In the last class, we already know that the symbols R7 and R6 in the program represent RAM units, which are used to store some data. Now let’s take a look at the meaning of other symbols.
...[Details]
As users' demands for mobile phone functions grow, a new demand has come into the consideration of mobile phone manufacturers, that is, the mobile phone can have
an LED
prompt to provide st...[Details]
The MAX4376/MAX4377/MAX4378 single, dual, and quad precision high-side current-sense amplifiers are available in space-saving packages. They feature buffered voltage outputs that eliminate the need f...[Details]
stm32/stm8
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