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Authoritative organization: Huawei's mobile phone sales in the second quarter almost caught up with Samsung, with a difference of only 630,000 units 2020-08-25 17:27 Author: Qiannian Due to the epide...[Details]
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introduction
H.264 is a new video compression standard jointly studied by the ITU-T VCEG organization and the ISO/IEC MPEG organization. Compared with other video compression algorithms, it h...[Details]
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A curve is a graphical display of a set of X and Y corresponding values. Usually, the Y value in the curve chart represents the data value, while the X value represents the time. The waveform chart...[Details]
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The communication power supply is called the heart of the communication system. The power supply system will directly affect the reliability and stability of the communication system. At present, t...[Details]
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This experiment was simulated using Proteus software. Experimental devices: 20 8X8LED dot matrix display screens, 10 74LS164 shift registers, 10 74LS273 data latches, 2 74LS138 decoders, and 1 PIC1...[Details]
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In the high-performance stable platform servo system composed of servo motor and servo drive, it is necessary to obtain the servo motor's rotation angle and speed information in real time. High-spe...[Details]
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据新华社消息，南方电网深圳供电局在中国电力行业首次部署应用华为鲲鹏、昇腾处理器生态系统，涵盖操作系统、处理器、服务器和存储等，并自研应用迁移平台，实现该局IDC（信息数据中心）软硬件资源全栈（所有核心软件和硬件）国产化的成功测试。 Lv Zhining, director of the Information Center of Shenzhen Power Supply Bureau, sa...[Details]
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How to quickly understand GPIO, check the GPIO chapter in the Reference manual, and get a preliminary understanding of GPIO GPIO input is divided into: Floating Input and Input with pull-up GPIO ou...[Details]
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Scientific use of UPS power supply
Any power supply has its own unique set of rules and methods for us to use. Scientific use methods can make the UPS power supply last longer. Today we will talk a...[Details]
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To sum up: 1. N numbers need to be sorted N-1 times 2. The number of sortings for the i-th time is Ni times Assembler: ORG 1000H MOV PSW,00H MOV R7,#100-1;Total number of sorting times LO...[Details]
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One day in July 2004, I was browsing the discussion area of the electronic BBS and saw an interesting post. The entire post content is as follows:
Pure C51 reset function: A junior student, who m...[Details]
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The VMOS tube bridge circuit is shown in Figure 1-29. It consists of four VMOS tubes and is a very useful circuit. In this circuit, the pulse transformer drive method can be easily adopted.
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When transmitting analog
signals
over long distances in the form of voltage
, the signal source
resistance
or the cable's DC
resistance
will cause voltage attenuation. ...[Details]
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According to MySmartPrice, realme is testing applying OnePlus' classic three-stage slider design to realme phones, and the model may be available to us as early as next month. Currently, few ...[Details]
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Three-phase power shortage means that one or two of the three phase lines have no voltage. When a user uses electricity, if he only takes out one phase wire, and this phase wire happens to be missing...[Details]
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