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IEEE802.11 is an IEEE wireless LAN standard, mainly used for wireless access of user terminals. IEEE802.11 only specifies the physical layer and medium access sublayer of the open system interconnect...[Details]
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How to display 0~F through digital tube? There are two types of digital tubes: common cathode and common anode. The anode of the common anode type is the common terminal, and the anode is the segment...[Details]
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1. Make sure your system clock is appropriate. If you turn off/on the A/D module, you should wait for a period of time, which is the sampling time; if you change the input channel, you also need to w...[Details]
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Preface: Recently, I started to design a brushless DC motor electronic speed regulator. Referring to some information on the Internet, I chose the Atmega8A-AU microcontroller as the main control chip...[Details]
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In the semiconductor industry, users' demand for improving test efficiency and productivity has reached an unprecedented level. Rapidly changing technologies have put forward higher requirements for t...[Details]
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On April 19, Samsung Semiconductor published an interview with two executives on HBM memory on its official website in South Korea. During the interview, the two executives stated that Samsung plan...[Details]
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#include stdio.h unsigned int UART0_ADDR = 0x20080000; unsigned int retu=0; int i=0; void delay_x(unsigned short cycles) { unsigned short t; t = cycles; while ( --t != 0 ); } int mai...[Details]
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#include stdio.h #include "N76E003.h" #include "Common.h" #include "Delay.h" #include "SFR_Macro.h" #include "Function_define.h" #define Key1 P01 // STOP button #define Key2 P10 // UP button #...[Details]
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Recently, Zhonghuan shares released the first three quarters performance forecast, showing that the company expects to achieve a net profit attributable to shareholders of listed companies of 682 mil...[Details]
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The air purifier equipped with a coaxial counter-rotating propeller fan co-developed by Nidec won the 2021 Energy Saving Award The air purifier "PU-AA50" equipped with a coaxial counter-rotating p...[Details]
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Abstract: This paper introduces the main features and performance of AT91SAM7S64 single-chip microcomputer, and analyzes the advantages of using this chip to reduce and optimize peripheral circuit...[Details]
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According to foreign media reports, Tesla has applied for a new patent. The principle of this patent is to connect a metal-air battery pack to a lithium battery pack to reduce the risk of spontaneous...[Details]
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The 2019 China (Chengdu) Electronic Information Expo will be held at the Chengdu Century City New International Convention and Exhibition Center from July 11 to 13, 2019. With the theme of "Cores to...[Details]
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After the three-camera arrangement scheme has almost been exhausted by Android manufacturers, Apple seems to have no good way to stand out. This may to some extent explain why the so-called iPhone 11...[Details]
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I have used Qemu to run/debug arm linux several times, but I forgot about it after a while. I had to look up the information again every time, which wasted a lot of time. This time I made the whole...[Details]
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