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1 Introduction
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#include sys/socket.h
ssize_t recv(int sockfd, void *buff, size_t nbytes, int flags);
ssize_t send(int sockfd, const void *...[Details]
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Power cycling is very important because it tests the user environment. A poorly designed system board or chip can cause a power cycling test to fail. In addition, when bench testing system boards, the...[Details]
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There is an RTC real-time clock module inside the STM32. The RTC module has a set of continuous technology counters. Under the corresponding software configuration, the clock calendar function can be ...[Details]
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The 2020ELEXCON Electronics Exhibition and 5G Global Conference (China Station) officially opened at the Shenzhen International Convention and Exhibition Center (Bao'an). As a domestic veteran MLCC m...[Details]
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In 2020, more and more flagship phones are using power-saving and thin OLED screens, but there are also some annoying things. Not long ago, Apple's iPhone 11 broke out the green screen door, an...[Details]
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The digital controlled DC regulated power supply circuit introduced in this example has 8 output voltage levels, namely 3V, 4.5V, 5V, 6V, 7.5V, gV, l2V and l5V, and the maximum output current is 2A...[Details]
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Following BOE A, another A-share Apple concept stock was reported to be removed from Apple's supply chain. As a foundry giant, Wingtech Technology was recently reported to have been removed from Appl...[Details]
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1 Introduction
Frequency characteristics are the most intuitive reflection of a network's performance. The frequency characteristics tester is used to measure the amplitude-frequency characteri...[Details]
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1. Introduction
The advancement of USB technology makes designers prefer USB interfaces in PC peripheral development. However, existing
virtual instrument
development platforms such...[Details]
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Overview
Today's wireless communication field is full of "a hundred flowers blooming and a hundred schools of thought contending". The endless stream of wireless communication standards is daz...[Details]
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Software mode output PWM PWM is used to control the output intensity, such as the brightness of the light, the speed of the wheel, etc. The STC89/90 series does not have hardware PWM and needs to be ...[Details]
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With the development of power electronics technology, the harmonic problems caused by power electronic devices have a great impact on the safety, stability and economic operation of the power grid....[Details]
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HC Semitek released its 2018 annual performance report, with revenue of 2.732 billion yuan, a year-on-year increase of 3.87%; net profit of 243 million yuan, a year-on-year decrease of 51.43%; non-ne...[Details]
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With the rapid development of the economy, China's motor vehicle ownership has exceeded 426 million, making it the country with the largest number of motor vehicles in the world. The sharp increase...[Details]
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In the first half of the year, affected by the sluggish automobile demand in the European and American markets, the revenue and profits of leading automotive manufacturers such as Infineon and NX...[Details]
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