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chmod permissions Use the command "man 2 chmod" to learn the chmod function • int chmod(const char *path, mode_t mode); – Parameter *path: file path. – Parameter mode: Just use a number. This is the ...[Details]
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1. MCU working state and its state transition
The various activities of the 80C51 microcontroller can be described as multiple different working states or working modes. Here, we use a mic...[Details]
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In a program, when a delay is needed, there are usually two methods: 1. Loop statement implementation. This method is simple and easy to use, but it cannot get an accurate delay time; 2. Timer timing...[Details]
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When we analyze a file, the best way is to look at its makefile. When we experienced compiling uboot before, our first step was to configure uboot and the second step was to compile. Analyze and ...[Details]
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US media said that the trade war is having an impact on Apple, and a recent survey on Chinese consumer attitudes confirmed this. According to a Bloomberg report on September 20, in this annual repo...[Details]
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1. Read NorFlash We first implement the function of reading flash. By default, we read 64 bytes each time, and then print out the read content, with the value printed in the front and the characters ...[Details]
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introduction
With the development of artificial intelligence and sensor technology, robots have entered people's daily life from the structured environment of factories. Robots can not only co...[Details]
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Comparison table of modulation methods, application areas, and transmission methods of digital television standards
Satellite, cable, terrestrial and mobile wireless digital TV networks can us...[Details]
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Successful businesses never stop adapting to changing business conditions. Just as an experienced team captain can see the field to identify opportunities and weigh risks, companies that take initiat...[Details]
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ARM (Advanced RISC Machines) is a well-known company in the microprocessor industry. It has designed a large number of high-performance, low-cost, low-energy RISC processors, related technologies an...[Details]
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The general RF automatic test system (Automatic Testing Systems) is designed to help users solve the problems of complicated test wiring (for multi-channel test systems), cumbersome instrument...[Details]
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According to foreign media reports, as part of the strategy of using robots to implement the "Mobility of Things" ecosystem, Hyundai Motor Group of South Korea will cooperate with Smart Optical Senso...[Details]
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Recently, we noticed that on the investor interaction platform, CATL's secretary answered investors' questions about sodium-ion batteries, including the time to market, application areas, and researc...[Details]
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1. History, current situation and development trend of flow meter China started the work of modern flow measurement technology relatively late, and began to produce turbine and electromagnetic flowme...[Details]
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The zero point problem of the servo motor encoder is a very important topic, which is related to the precise control and positioning of the servo motor.
Basic Concepts of Servo Motor Enco...[Details]