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The sensitivity of electret microphones, which are widely used in radio recorders, telephones and other electrical appliances, directly affects the transmission and recording and playback effects. ...[Details]
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Today, Samsung released the Galaxy Note10 series in Beijing. The 8+256GB version of the Samsung Galaxy Note10 is priced at 6,599 yuan, and the 12+256GB version of the Samsung Galaxy Note10+ that supp...[Details]
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Intellectual education for the future: Intel uses its full-stack AI capabilities to support educational innovation With the development of artificial intelligence, mankind is experiencing the fourt...[Details]
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As a major domestic manufacturer, Huawei adopts the strategy of dual flagships, P and Mate. Counting the days, Huawei's Mate series will usher in an update, and it is reported that this time it will ...[Details]
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How to judge the quality of proximity switch Connect the power supply according to the instructions, use a matching induction source to approach the switch over a long distance, and use the volta...[Details]
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The microcontroller source program is as follows: #include reg51.H sbit IN1 = P0^0; // High level 1 back off (reverse) sbit IN2 = P0^1; // High level 1 forward (forward) sbit IN3 = P0^2; // Hig...[Details]
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The ground resistance measurement range of CA6423 is 10mΩ to 1999Ω. It has an automatic range switching function and can automatically select the best range. Easy to operate, just connect the test li...[Details]
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Friends who have worked on products all have experienced this: a design may seem simple, and the hardware design and code writing can be completed quickly, but there are more or less unexpected eve...[Details]
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A while ago, I needed to use low baud rate serial communication (300 baud rate) when debugging a project. I found that under normal circumstances (PCLK1 clock frequency is 72M, PCLK2 clock frequency i...[Details]
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1. Introduction In power production and electrical testing, it is often necessary to measure power frequency voltage and frequency. There are many types of power frequency voltage meters and frequenc...[Details]
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What kind of distributed inverter has both high quality and good looks, and has repeatedly won awards in the industry? On March 22, the highly anticipated "TÜV Rheinland Quality China Photovoltaic Fes...[Details]
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Gamesa Electric will supply 66 photovoltaic inverters with a capacity of 400MW to Scatec Solar at the Benban Solar Park in Egypt.
As part of the renewable energy feed-in tariff (FiT) schem...[Details]
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Abstract: This article introduces a driving method for LED light column displays. The circuit used in this method is low in cost, simple and practical, and can be used in various light column pa...[Details]
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In 1799, Italian physicist Volta immersed a zinc plate and a silver plate in salt water and found that current flowed through the wire connecting the two metals. So he placed cardboard soaked in salt...[Details]
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#include
#include macros.h
#define uchar unsigned char
#define uint unsigned int
//
#define BIT_SET(a,b) a|=(1 b) //Set bits ab ...[Details]