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In daily life and work, we have to check some small components, such as the quality of judgment. But do you know how to measure whether the capacitance is normal? Today I will teach you several ways ...[Details]
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introduction
Timed on/off is a common problem in daily, weekly, monthly, etc. timed on/off. For example, in the booster pump room of a residential area, when the water consumption is low (...[Details]
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If you browse the news about artificial intelligence (AI) on the Internet, you will find that these AIs can already do many things that humans can do, but much better. Today's AI can detect cancer be...[Details]
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1 Design of switching power supply
The basic structure of the switching power supply mainly consists of 7 parts: input rectification and filtering circuit, high-frequency switching converter circui...[Details]
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0 Introduction
The launch and operation of any new communication service cannot be separated from a powerful, effective and highly reliable transmission system. The problem that follows is h...[Details]
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Dimmable fluorescent lamps have obvious power-saving effects, so they have been rapidly developed and applied in recent years. Fluorescent lamps are low-voltage gas discharge lamps and non-resistive l...[Details]
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introduction
With the continuous development of microelectronics technology, microprocessor chips are becoming more and more integrated. Microcontrollers can integrate CPU, memory, timers/counters,...[Details]
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Lightning is composed of high-energy low-frequency components and highly permeable high-frequency components. It mainly occurs in two forms: one is that lightning is directly conducted through meta...[Details]
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The library access control system is a control system that ensures the safety of book resources and improves the efficiency and level of library management. Supported by computer technology, network ...[Details]
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Recently, Liang Quan, spokesperson and head of the marketing department of ARM China, clarified for the first time as an official of ARM China that it was untrue that Arm and Arm China had stopped su...[Details]
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Since PLCs vary in variety, model, specification and function, it is very difficult to classify them according to a unified standard. Usually, they can be divided into three categories: large, med...[Details]
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With the development of smart phones, NFC plays an increasingly important role. In recent years, access cards, bus cards, bank cards, and meal cards have all been "installed" in the magical devices t...[Details]
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Use an external interrupt 0 to detect the zero-crossing pulse, and then use a timer to generate a pulse. #include reg52.h #define uint unsigned int /*macro definition*/ #define uchar unsigned char /...[Details]
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What is a probe? The oscilloscope is the most commonly used measuring instrument for electronic engineers, and the oscilloscope probe is undoubtedly the most commonly used accessory for the oscillosc...[Details]
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The new generation of radar equipment is designed with a relatively complete built-in test (BIT) system, which can monitor the various functional modules of the radar in real time, detect faults ...[Details]
FPGA/CPLD
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