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Wireless communications have been developed for more than 30 years since 1980. From the initial analog voice communication to the current third-generation and fourth-generation mobile communication w...[Details]
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Jiwei.com reports that we have gone through 2020 with the global spread of the COVID-19 pandemic and the uncertain changes in the international trade situation. What is exciting is that driven by the...[Details]
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introduction
At present, among embedded processor chips, the processor with ARM7 as the core is the most widely used one. It has multiple working modes and supports two different instruction s...[Details]
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According to Wuxi Daily, the first phase of Huahong Wuxi integrated circuit R&D and manufacturing base project has reached full production, achieving the monthly wafer output target of 40,000 pieces ...[Details]
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Level characteristics The microcontroller is a digital integrated chip that uses a digital circuit. In a digital circuit, there are only two levels: high level (5V) and low level (0V). The input and ...[Details]
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China Energy Storage Network News
: At 16:00 on December 25, the world's largest multi-terminal AC/DC hybrid flexible distribution network interconnection project was successfully put into op...[Details]
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This article is divided into three parts: the composition of LED circuits, performance analysis of LED circuits, and selection of LED circuit drivers.
1. Circuit composition of LED circuit
Whe...[Details]
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In recent years, we can find many changes in the process of automobile intelligence, including the increase in the application of voice and touch in the smart cockpit. At the same time, the mechani...[Details]
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On December 7, local time in Europe, the European Commission held a video conference of the telecommunications ministers of 17 EU countries. After the meeting, the 17 countries jointly issued the "Jo...[Details]
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Low resistance measurements are a typical application for the Model 2750 and Series 3700. The next example demonstrates the conversion of a 4-wire resistance scan from the 2700 Series SCPI to the 3700...[Details]
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Touch screen human machine interface (HMI) is a digital device that connects programmable controllers (PLC), frequency converters, DC speed regulators, instruments and other industrial control equi...[Details]
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The structure of an actual optical receiver is relatively complex, but overall it consists of three parts as shown in Figure 2. Its front-end circuit, the optoelectronic conversion module, often in...[Details]
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1 Introduction
As energy and environmental issues are increasingly valued, electric vehicles are developing rapidly due to their clean and pollution-free, high energy efficiency, low noise, an...[Details]
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The final assignment for last semester was LED dot matrix billboards. The requirements were as follows: (1) LED dot matrix billboards capable of displaying different characters; (2) Press buttons to ...[Details]
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Single-phase 220V capacitor motor is a common household electrical appliance motor, widely used in electric fans, air conditioners, washing machines and other equipment. Due to its simple structure...[Details]
RF/Wirelessly
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