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Under the new national system, the institutes under the Chinese Academy of Sciences, which are tasked with achieving high-level self-reliance and self-improvement, should give full play to their sy...[Details]
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Apple today updated the MacBook Air, adding True Tone to the Retina display. At the same time, the price of the MacBook Air dropped to $1,099, with an education discount of $999. In addition, Apple a...[Details]
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In recent years, power electronic equipment has become increasingly closely related to people's work and life. Program-controlled switches, communications, electronic equipment, control equipment, etc...[Details]
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In the application of single-chip microcomputer, we often encounter this situation. When using single-chip microcomputer to make an electronic clock or a control system that requires clock start cont...[Details]
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According to Huawei's quasi-official Weibo account @长安数码君, the first foldable screen phone in the Honor Magic series will be released this year. IT Home learned that Zhao Ming once said tha...[Details]
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This document mainly introduces how to modify the clock crystal of the standard library of the STM32L151 series 1. Background Because the external 8M high-speed crystal oscillator is used by defau...[Details]
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SK5278 is a keyboard controller that can manage 16 keys. The device has a de-jitter processing circuit inside, which can directly output the key value code of the key, and use the serial mode to in...[Details]
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The clamp ammeter is a portable meter made using the principle of current transformer. It is widely used because of its convenience. When using a clamp ammeter, the line current can be measured with...[Details]
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Switching power supplies are used in many electronic devices because of their small size, light weight, high efficiency, wide voltage regulation range, safety and reliability. However, like other cir...[Details]
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According to a new report, LG recently suspended its plans to sell Apple products such as the iPhone at its retail stores in South Korea. Back in June, the South Korean company was reportedly in ta...[Details]
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The successful coach will start a long-term cooperation with fischer from January 1, 2023. As one of the most well-known faces in football, Jürgen Klopp grew up near the fischer headquarters, so this...[Details]
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1. Determine the positive and negative poles (polarity) of the diode by appearance The common packaging of diodes is two-pin straight plug and patch. The negative end is usually marked with a hori...[Details]
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Combined with the rapid development of ARM embedded systems and intelligent monitoring equipment, an intelligent image monitoring system for abnormal behavior of the elderly based on embedded systems...[Details]
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With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
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Since the 1990s, the national telecommunications department has gradually accelerated the requirements for network management of communication equipment, requiring that all equipment that constitute...[Details]
Analog electronics
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