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The DC motor drive input signal line is introduced from DATA, pin 1 is the ground line, and the rest are signal lines. Note that a 2K ohm resistor is connected to the ground from pin 1. When the dr...[Details]
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According to relevant media reports: Guangzhou Hefa Energy Investment Co., Ltd. and Country Garden Hotels Group, a subsidiary of Country Garden Holdings Group, have reached a preliminary cooperation i...[Details]
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1 Introduction This article will introduce how to use the USB CDC class for development based on the STM32F4DISCOVERY board, as well as the analysis and solution of the problem of failure when sendin...[Details]
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Today, Xu Qi, Vice President of Realme, President of China, and President of Global Marketing, announced the weight of the new Realme V15 on Weibo and explained the naming rules of the Realme V serie...[Details]
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Particle counter is an instrument used to measure the number and size distribution of particles per unit volume of air in a clean environment. Particle counter is widely used in medicine, electronics...[Details]
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When a two-port network is replaced by an equivalent circuit, the equivalent circuit must have the same external characteristics as the original network. For a two-port network without independent ...[Details]
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Last time I mentioned that assembly language is very important, so in order to avoid forgetting, I will post some commonly used assembly instructions.
@mov command example
mov r1, #8
mov r2, r1...[Details]
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Most of this wave of lidar entrepreneurs are young and vigorous, who are not afraid of hardship or death, and what they need is an opportunity to fight for the opportunity. At the beginning of 2019...[Details]
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The 5-1/2-digit display model 6485 picoammeter incorporates Keithley's technical advantages in sensitive current measuring instruments and has improved measurement speed and durability. This economic...[Details]
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Core message: The benefits of connectivity must far outweigh the potential risks. To realize the connected functions of the future, the transmission of personal data is inevitable. The driver can dec...[Details]
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The 10th China International Petrochemical Conference (CPCIC) was successfully held in Hangzhou, Zhejiang. During the conference, the international diversified chemical company Saudi Basic Industries...[Details]
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1 UPS monitoring software The design of monitoring software is mainly for computers (such as personal computers, servers, workstations or various large and medium-sized hosts) that require power pro...[Details]
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In the next 10 years, more and more funds will flow into leading autonomous driving companies; the cooperation between automakers and autonomous driving system and parts suppliers will become closer...[Details]
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Recently, Saiwei Intelligence revealed in a reply letter that at this stage, the company's
robot
products do not involve humanoid (bionic) robots, etc., and the revenue accounts for a low p...[Details]
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On the evening of March 17, after the release of the Redmi K50 series, Chen Jin, general manager of Lenovo Group’s mobile phone business unit in China, said: "Congratulations to our friendly competit...[Details]
PCB Design
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