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Today, power supply designers are faced with many challenges, not only to achieve higher energy efficiency goals, but also to meet the requirements of faster product launch. In terms of achieving h...[Details]
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Nowadays, the new generation of laser TVs has become more and more popular. Some people may not know what laser TV is and what are its advantages. Here is a brief introduction. What is Laser TV? To...[Details]
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On September 11, 2019, the 7th International IoT Sensor Technology Summit, "IoT World Sensor First", was held as scheduled. Three years later, the conference returned to Wenzhou Yueqing for the secon...[Details]
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If you are a car lover, then you must want to own a smart car that can meet your various needs. You want to listen to music, make calls, check traffic conditions, adjust the temperature while driving...[Details]
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With the development of economy and the progress of society, people have put forward higher and higher requirements for energy, and finding new energy has become an urgent issue facing mankind. There ...[Details]
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Recently, the Shandong Provincial Development and Reform Commission announced the list of adjustments to provincial key projects in 2024. According to the list, 263 key projects in Shandong Provinc...[Details]
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Another highlight of the "Core Power" competition is that the judging panel composed of top investment institutions has also been fully upgraded! As a selection activity focusing on start-up projects...[Details]
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#include reg52.h #define KEYPORT P1 #include "./delay/delay.h" sbit seg_select = P2^0; //segment selection sbit bit_select = P2^1; //bit selection #define SEGPORT P0 unsigned char segdata ...[Details]
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introduction
Setting the reset flag bit is convenient for distinguishing resets caused by different reasons. As a new technology, it is adopted by more and more new MCUs. For example, Phil...[Details]
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According to vivo's official website, vivo S10e is officially on sale today. The 8+128GB version is priced at 2,399 yuan, and the 8+256GB version is priced at 2,599 yuan. It comes in three colors: wa...[Details]
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Table 2.6 lists some typical values of θCA (thermal resistance from case to exterior) for various packages. The air velocity near the case has a great influence on the conduction of heat. T...[Details]
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In 2021, due to insufficient silicon material supply, LONGi Green Energy's capacity expansion in silicon wafers slowed down last year. However, silicon wafers, as an important business direction of t...[Details]
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At present, the main problems of power quality are as follows: harmonic distortion, power outage, over (under) voltage, voltage sag, transient, surge, etc. The reasons for these problems come from in...[Details]
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1. Macro definition:
1. Without parameters:
#define Identifier constant expression
#define is a macro definition command. It is a good habit to use uppercase for macro name (identifier)
#define ...[Details]
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Last time, I talked about learning ARM assembly. OK, let's start now. My boot program is modified from UBOOT1.1.2. You can download the source code of UBOOT. Maybe you will ask where to download ...[Details]
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