I have been working on the past questions of the Blue Bridge Cup Embedded Development these days. In the mock test of the seventh final, there is a requirement that PA6 and PA7 generate two square wa...[Details]
I have been busy all day today, because I found that if I don't work harder, I may not be able to get the code before the winter vacation. Today I rushed to work on two modules, a human body sensing ...[Details]
Many noise figure measurements can be made using only a spectrum analyzer and preamplifier. The frequencies of the device under test can be covered using only a spectrum analyzer, preamplifier, and s...[Details]
Interrupt Interrupt concept and interrupt trigger: The concept of interruption: When the CPU is processing an event A, another event B occurs, requiring the CPU to process it quickly (an interrupt ...[Details]
Compared with batteries, supercapacitors have many advantages, such as wide operating temperature (from -40℃ to +70℃), high energy density (up to 5kWh/kg), and green raw materials. And its lifespan i...[Details]
In view of the high price and inconvenience of using the bitstream analyzer in the traditional digital video broadcasting system, this paper proposes a cost-effective supplementary design solution,...[Details]
introduction
In the production of downstream industries, the changes in environment and status need to be converted into voltage signals by sensors, and then the monitoring equipment completes...[Details]
According to market reports, Apple plans to launch a gaming PC next year, with a price tag of up to $5,000. This will be Apple's first foray into the gaming PC field. As it is a new product with a hi...[Details]
Global grid investment fell for the third consecutive year in 2019, down 7% compared to 2018 to just under $280 billion. The decline was mainly due to a sharp drop in China, which outweighed strong...[Details]
Yesterday morning, the Meizu 18 series of mobile phones were officially launched. Official data showed that the sales of the Meizu 18 series exceeded 100 million in 1 minute, and the first sale was s...[Details]
Only after using the whole package do I understand why iPhone users buy an iPad after buying a mobile phone! I have always wondered why many Apple fans usually use the entire Apple family package. As...[Details]
1 Introduction
With the development of automotive electronics, there are more and more electronic products in cars, and the number of electronic control units in electronic control systems such...[Details]
0 Introduction
The Regulations on Energy Conservation in Public Institutions (Order No. 531 of the State Council of the People's Republic of China, signed by Premier Wen Jiabao, was adopte...[Details]
In recent years, new energy vehicles have been developing rapidly, and people are paying more and more attention to new energy vehicles. But because of this, more and more new energy vehicle brands h...[Details]
The PT100 temperature sensor is a temperature measurement element widely used in the fields of industrial automation and process control. It has the advantages of high accuracy, good stability, and...[Details]
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