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1. Introduction
With the rapid development of Internet technology, people's requirements for information sharing are also increasing. At present, embedded systems have penetrate...[Details]
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1 Simple switching power supply
The simplified switching power supply circuit composed of TEA1520 series is shown in Figure 1.
Figure 1 Circuit of a simple switching p...[Details]
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0 Introduction
It is well known that energy crisis and air pollution are the most critical issues to be solved by future automobile fuels. In order to reduce emissions and ease the shortage of oil e...[Details]
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On May 12, the China Automotive Power Battery Industry Innovation Alliance released the latest data showing that in April, the domestic power battery installed capacity totaled 8.4GWh, up 134% year-o...[Details]
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With the continuous development of science and technology, the computer interface is undergoing a huge change, from the simple command line in the 1980s to the computer graphical interface in the 199...[Details]
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RFID tags are divided into two types: passive tags and active tags. Passive tags are contactless IC cards. Due to the short reading distance of passive tags, they are limited in many applications. ...[Details]
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OPPO announced today that the entire OPPO Reno10 series is equipped with a super light and shadow telephoto lens as standard, inherits OPPO’s exclusive super light and shadow algorithm, and is equipp...[Details]
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It is generally known that the selected bandwidth of an oscilloscope is 5 times the signal bandwidth; How did the 5 times come about? 1. Amplitude analysis If the f signal is the same as the f ...[Details]
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Xiaomi Civi is a thin and light 5G mobile phone released by Xiaomi in the second half of this year. It can be said to be the most beautiful model in Xiaomi's history. Today, MIUI pushed the M...[Details]
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The chip is erased successfully, but the board cannot run and no Application running appears The reason is shown in the figure Reset and Run in the upper left corner is not checked. The opera...[Details]
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The RISC-V architecture is regarded as the third path for China's chip industry after the x86 and ARM architectures. Many people believe that the RISC-V architecture may be the key to the rise of Chi...[Details]
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I really didn't expect that.
Deep in the city of Jinling, 23 meters underground, with the Qinhuai River overhead filled with the sounds of oars and lights, what I talked about with several pow...[Details]
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Finally got a USB HID device and made a USB keyboard to play with~~~~The report descriptor made me dizzy for a few days~~~~~Several HID-related protocols are quite long~~~~~~Tomorrow I will make a USB...[Details]
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Siemens S7-1200/1500 series PLC supports optimized block access. It is usually understood that data blocks (DB) have this function.
In fact, in addition to data blocks, organization blocks, f...[Details]
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On October 30, the e-sports performance flagship, iQOO 13, was officially released. As a flagship series with a high cost-performance ratio, iQOO has strong performance and has been additionally op...[Details]
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