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Nowadays, most mobile phone manufacturers are accustomed to launching two flagship mobile phones in the first and second half of the year respectively to respond to different market demands. Xiaomi r...[Details]
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KW9712 is a bipolar integrated circuit designed by us, processed by a professional factory, and packaged in DIP-8. An external resistor and a capacitor can determine its oscillation frequency, which ...[Details]
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As the actual controlling manufacturer in the field of mobile computing, ARM has the ability to determine the future development direction of mobile computing products. In the development of GPU, fro...[Details]
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With the rapid development of computer technology, communication technology and the integration of 3C (computer, communication, consumer electronics), embedded systems have penetrated into various ...[Details]
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QW2889F is a special chip for emergency detection and control. The chip adopts patented high-voltage isolation and detection technology, directly monitors the status of AC input signals without any...[Details]
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Grounding Overview
The grounding of building weak current system plays an important role in ensuring the quality of information transmission, system working stability, and the safety of equ...[Details]
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As a basic test instrument, the oscilloscope was once a pet in university laboratories. At that time, 20 to 30 students in a laboratory gathered around an oscilloscope to listen to the teacher's ex...[Details]
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On January 21, the Shanghai Regulatory Bureau disclosed the basic information table of the coaching registration of Shanghai Anlu Information Technology Co., Ltd. (hereinafter referred to as Anlu Tec...[Details]
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How to judge the quality of rubber and plastic density tester and some purchasing misunderstandings 1How to judge the quality of the density tester Mainly look at the weighing accuracy of the densi...[Details]
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LED fluorescent lamps use CREE and AOD ultra-bright LED white light as the light source, and the shell is acrylic/aluminum alloy (customer definition). The outer cover can be made of PC tube, which ...[Details]
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The minimum system crystal used is 8m. Here is the configuration process: Automatic clock switching, enable switching interrupt Clear the interrupt flag in the interrupt, enable CSS and turn on...[Details]
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#include"reg52.h"
typedef unsigned char uchar;
typedef unsigned int uint;
//digital tube port control
sbit SG = P0^0; //control the ones digit
sbit SS = P0^1; //contr...[Details]
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Nowadays, there are more and more configurations on cars, and the configuration competition between manufacturers has reached a white-hot stage. For example, the cars that appeared at several major a...[Details]
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Not long ago, Typhoon Mangkhut passed through the country, and it was said that the typhoon blew up billboards of all sizes, including the "fig leaf" of new energy batteries?
This time, the pu...[Details]
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By Xia Xu and Zhu Xuetian, China Telecom Research Institute, ZTE Technologies
Different from traditional communication networks such as the fourth generation mobile communication (4G) technolo...[Details]
Power technology
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