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The author bought a 3.6V450mAh lithium-ion charger in the electronics market. This article introduces a low-cost temperature control experimental system with AT89C51 microcontroller as the core. Th...[Details]
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【Introduction: At the just-concluded Shenzhen-Hong Kong-Macao International Auto Show 2022, many mass-produced models have begun to be equipped with LiDAR. It seems that the spring of LiDAR is coming...[Details]
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The half-bridge LLC resonant converter has been widely studied due to its simple topology and high working efficiency. Here, pulse frequency modulation (PFM) is used for the working condition of wide ...[Details]
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The PM100 power meter is specially used for production lines and system integration. It has a compact structure (half rack), is easy to install and use, is dust-proof, and has an accuracy of up to 0....[Details]
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The two companies will jointly develop autonomous driving and connectivity software platforms. Collaboration goals include incorporating Adaptive AUTOSAR certification to ensure safety and reliabi...[Details]
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introduction
MP3 players have developed rapidly in recent years, and a large number of products have been launched. Tourism, an emerging industry, has been booming in recent years. Compared with ma...[Details]
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The physical design of the PCB board is the last step in the design of switching power supplies . If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, c...[Details]
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principle: Because there are 8 digital tubes, we must use a 38-bit decoder to save the resources of the microcontroller. Here we will briefly introduce the principle of the 38-bit decoder, and then...[Details]
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On August 8, TSMC ended two years of inspection and hesitation and officially announced plans to build a factory in Dresden, Germany (with a total investment of 10 billion euros). Similarities and ...[Details]
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ZDS2022将80%用户，80%时间里，使用的80%的功能汇集到7个快捷键，且易于识别，操作连贯，一键到位，显著提高了测试测量效率。这就是ZDS2022示波器与以往示波器的一个显著不同，被定义的一键操作主要包括：一键捕获、一键光标、一键余辉、一键清除、一键缩放、一键滚动和一键截屏。 One-key capture (AutoSetup): Automatically sets the ho...[Details]
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1. Understand the voltmeter (1) Voltmeter: A device that measures the voltage between two points in a circuit. (2) The symbol and appearance of a voltmeter, first introducing the dial and termina...[Details]
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This section will use the large-scale integrated circuit DAC0831 to realize D/A conversion, and introduce the DAC0832 pin diagram and interface circuit. ADC0809 is used to realize A/D conversion. 1. ...[Details]
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1. How to measure resistance using an analog multimeter The resistance measurement circuit of the analog multimeter is shown in the figure below. Before measuring the resistance Rx, please short-ci...[Details]
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Huawei is "hurt" by the comprehensive suppression of the United States. According to the sales data of global smartphone brands in the first quarter of 2021 released by Counterpoint Research, a well-...[Details]
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With sensors ranging in cost from $15 to $1, automakers wonder how many sensors are needed for a vehicle to be fully autonomous. These sensors are used to collect data about the surrounding environ...[Details]
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