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Domestic OS, domestic chips, JingPad, which claims to be able to write code, is hotly discussed overseas as a productivity tablet... Is it really that magical? Not long ago, we introduced JingOS...[Details]
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#include
#include math.h
struct _pid {
int pv;
int sp;
float integral;
float pgain;
float igain;
float dgain;
int deadband;
int last_error;
};
stru...[Details]
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1 Introduction
Display is a very important part of the single-chip microcomputer application system. Usually, digital tube display LED is used as the output device to display some information ...[Details]
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In the field of weather forecasting, achieving a high degree of accuracy often requires real-time collection and analysis of data from various sources. In this regard, ClimaCell, a leading global met...[Details]
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On April 7, Mao Weiming, Chairman and Party Secretary of State Grid Corporation of China, and Xin Baoan, General Manager and Deputy Party Secretary, conducted a video survey of the State Grid North...[Details]
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Whether it is the mobile phones and computers that we cannot live without in our daily lives, or the increasingly popular camcorders and cameras, lithium batteries have become a vital part of these...[Details]
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With the maturity of technology and the booming consumer market, domestic automobile brands are becoming the first choice of the public. For example, Great Wall Motors is one of the important leade...[Details]
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5G emphasizes "high bandwidth, high speed, and low latency", but the low and medium frequency bands below Sub 6 GHz are already quite crowded. Packaging and testing manufacturers ASE Technology Holdi...[Details]
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In high-speed circuit design, the impedance of the transmission line is very important. The impedance calculation function of PowerPCB can easily check whether the transmission line impedance meets t...[Details]
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For MCU programmers, in digital circuits, the role of transistors is 99.9% just to act as a "switch". I use an NPN transistor to drive a DC motor to illustrate this. See Figure 1. Figure 1 Let's...[Details]
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Radio Frequency Identification (RFID) is a technology that uses the spatial coupling and backscattering characteristics of radio frequency signals to automatically identify target objects and exchang...[Details]
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Don't mistake me for a clickbait, relying on the word "essence" to attract attention. I have found that many senior engineers often take the basic but wrong design path. This is the high-frequenc...[Details]
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Just a few months after the Galaxy Z Flip3 5G was released, Samsung unveiled the device again at its unpacked event. However, this time, Samsung announced the Galaxy Z Flip3 5G Custom Edition, which ...[Details]
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1. Introduction
Mixing machinery is widely used in the production process of chemical, pharmaceutical, food, water industry, plastic and other industries. When designing mixing machinery, a ce...[Details]
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The electronics for automotive infotainment TFT-LCD displays must be minimal to limit PCB size and cost. After reviewing the drawbacks of typical low-integration solutions, we introduce a new appro...[Details]
PCB Design
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