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The watchdog circuit is composed of 89C51 single-chip microcomputer and X25045. The hardware connection diagram of X25045 is shown in Figure 2. The X25045 chip contains a watchdog timer, and the sy...[Details]
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In wireless applications, it is an important technical method to obtain system gain by using large bandwidth signals, such as frequency hopping technology in communications, wideband frequency modu...[Details]
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1 Introduction
With the development of communication technology, the service functions based on mobile communication networks are expanding to the fields of industrial control and remote cont...[Details]
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According to 36Kr, Shenzhen Feixiang Technology Co., Ltd. completed a B+ round of financing with a scale of more than 100 million yuan. This round of financing was led by CICC Capital and Yuanhe Houw...[Details]
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Abstract:
This paper introduces the design of a new type of distributed substation RTU based on DSP and CAN field bus. The RTU is divided into a communication main control module and a signal...[Details]
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According to Jiwei.com, on the evening of August 11, Sunlord Electronics released its performance report. In the first half of 2019, the company achieved sales revenue of 121,743.76 million yuan, a y...[Details]
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On August 3, Xingfa Group released its 2021 semi-annual report. The company achieved operating income of 9.853 billion yuan, a year-on-year increase of 5.48%. Net profit attributable to shareholders ...[Details]
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Design of siren intermittent switch
This device can be used for any 12V powered continuous alarm device to make it work intermittently. It can also be used to control any 12V powered s...[Details]
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As an important branch of the power electronics industry, the technological progress of photovoltaic inverters is highly dependent on the development of electronic components and control technology...[Details]
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In 2021, although smartphone manufacturers are frantically "rolling" the market, it is undeniable that without technological breakthroughs, smartphones are really unable to roll out the market, so ev...[Details]
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The first program: let the running lights, from left to right, the first light, reach the highest brightness in an instant, then drop to the lowest brightness, then the first two lights repeat the sit...[Details]
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Current sensing applications Circuit detection circuits are commonly used in current detection scenarios such as high-voltage short-circuit protection, motor control, DC/DC converters, system power ...[Details]
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The measurement of AC withstand voltage test voltage of light test transformer belongs to the measurement of stable high voltage. The commonly used methods are as follows: a. Test transformer low...[Details]
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Before iOS 14, how did we clear a home page on the home screen? Or maybe you subconsciously categorize apps and place them in different folders, which is what we have been doing since the birth of ...[Details]
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Therefore, we instruct students to use JPT-7 module to run GPS application in arm-Linux. Nand Flash space is too small, and the board used often cannot burn the root file system. So we decide to us...[Details]
Making friends through disassembly
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